示例#1
0
/*
 * =================
 * R_Bloom_DrawEffect
 * =================
 */
void R_Bloom_DrawEffect(void)
{
    GL_Bind(r_bloomeffecttexture->texnum);
    GL_Enable(GL_BLEND);
    GL_BlendFunc(GL_ONE, GL_ONE);
    GL_TexEnv(GL_MODULATE);

    rb_vertex = rb_index = 0;
    indexArray[rb_index++] = rb_vertex + 0;
    indexArray[rb_index++] = rb_vertex + 1;
    indexArray[rb_index++] = rb_vertex + 2;
    indexArray[rb_index++] = rb_vertex + 0;
    indexArray[rb_index++] = rb_vertex + 2;
    indexArray[rb_index++] = rb_vertex + 3;
    VA_SetElem2(texCoordArray[0][rb_vertex], 0, sampleText_tch);
    VA_SetElem3(vertexArray[rb_vertex], curView_x, curView_y, 0);
    VA_SetElem4(colorArray[rb_vertex], r_bloom_alpha->value, r_bloom_alpha->value, r_bloom_alpha->value, 1.0f);
    rb_vertex++;
    VA_SetElem2(texCoordArray[0][rb_vertex], 0, 0);
    VA_SetElem3(vertexArray[rb_vertex], curView_x, curView_y + curView_height, 0);
    VA_SetElem4(colorArray[rb_vertex], r_bloom_alpha->value, r_bloom_alpha->value, r_bloom_alpha->value, 1.0f);
    rb_vertex++;
    VA_SetElem2(texCoordArray[0][rb_vertex], sampleText_tcw, 0);
    VA_SetElem3(vertexArray[rb_vertex], curView_x + curView_width, curView_y + curView_height, 0);
    VA_SetElem4(colorArray[rb_vertex], r_bloom_alpha->value, r_bloom_alpha->value, r_bloom_alpha->value, 1.0f);
    rb_vertex++;
    VA_SetElem2(texCoordArray[0][rb_vertex], sampleText_tcw, sampleText_tch);
    VA_SetElem3(vertexArray[rb_vertex], curView_x + curView_width, curView_y, 0);
    VA_SetElem4(colorArray[rb_vertex], r_bloom_alpha->value, r_bloom_alpha->value, r_bloom_alpha->value, 1.0f);
    rb_vertex++;
    RB_DrawArrays();
    rb_vertex = rb_index = 0;

    GL_Disable(GL_BLEND);
}
示例#2
0
文件: r_draw.c 项目: postfix/quake2vr
/*
 =============
 R_DrawTileImage

 This repeats a 64*64 tile graphic to fill the screen around a sized down
 refresh window.
 =============
 */
void R_DrawTileImage (int32_t x, int32_t y, int32_t w, int32_t h, image_t *image)
{
    static const vec4_t color[4] = {
        {1.0, 1.0, 1.0, 1.0},
        {1.0, 1.0, 1.0, 1.0},
        {1.0, 1.0, 1.0, 1.0},
        {1.0, 1.0, 1.0, 1.0}
    };

    const vec3_t verts[4] = {
        {x, y, 0},
        {x+w, y, 0},
        {x+w, y+h, 0},
        {x, y+h, 0}
    };

    GL_Bind (image->texnum);

    rb_vertex = rb_index = 0;

    memcpy(&indexArray[rb_index], indices, sizeof(indices));
    rb_index = 6;

    VA_SetElem2(texCoordArray[0][0], (float)x/(float)image->width, (float)y/(float)image->height);
    VA_SetElem2(texCoordArray[0][1], (float)(x+w)/(float)image->width, (float)y/(float)image->height);
    VA_SetElem2(texCoordArray[0][2], (float)(x+w)/(float)image->width, (float)(y+h)/(float)image->height);
    VA_SetElem2(texCoordArray[0][3], (float)x/(float)image->width, (float)(y+h)/(float)image->height);

    memcpy(vertexArray, verts, sizeof(vec3_t) * 4);
    memcpy(colorArray, color, sizeof(vec4_t) * 4);

    rb_vertex = 4;

    RB_RenderMeshGeneric (false);
}
示例#3
0
文件: r_draw.c 项目: postfix/quake2vr
/*
 =============
 R_DrawPic
 =============
 */
void R_DrawImage (int32_t x, int32_t y, image_t *gl)
{
    static const vec4_t color[4] = {
        {1.0, 1.0, 1.0, 1.0},
        {1.0, 1.0, 1.0, 1.0},
        {1.0, 1.0, 1.0, 1.0},
        {1.0, 1.0, 1.0, 1.0}
    };

    if (scrap_dirty)
        Scrap_Upload ();

    GL_Bind (gl->texnum);

    rb_vertex = rb_index = 0;

    memcpy(indexArray, indices, sizeof(indices));
    rb_index = 6;

    VA_SetElem2(texCoordArray[0][0], gl->sl, gl->tl);
    VA_SetElem2(texCoordArray[0][1], gl->sh, gl->tl);
    VA_SetElem2(texCoordArray[0][2], gl->sh, gl->th);
    VA_SetElem2(texCoordArray[0][3], gl->sl, gl->th);

    VA_SetElem3(vertexArray[0], x, y, 0);
    VA_SetElem3(vertexArray[1], x+gl->width, y, 0);
    VA_SetElem3(vertexArray[2], x+gl->width, y+gl->height, 0);
    VA_SetElem3(vertexArray[3], x, y+gl->height, 0);

    memcpy(colorArray, color, sizeof(vec4_t) * 4);

    rb_vertex = 4;
    RB_RenderMeshGeneric (false);
}
示例#4
0
/*
 =============
 R_DrawPic
 =============
 */
void R_DrawImage (int32_t x, int32_t y, image_t *gl)
{
    int32_t		i;
    vec2_t	texCoord[4], verts[4];
    
    if (scrap_dirty)
        Scrap_Upload ();
    
    GL_Bind (gl->texnum);
    
    Vector2Set(texCoord[0], gl->sl, gl->tl);
    Vector2Set(texCoord[1], gl->sh, gl->tl);
    Vector2Set(texCoord[2], gl->sh, gl->th);
    Vector2Set(texCoord[3], gl->sl, gl->th);
    
    Vector2Set(verts[0], x, y);
    Vector2Set(verts[1], x+gl->width, y);
    Vector2Set(verts[2], x+gl->width, y+gl->height);
    Vector2Set(verts[3], x, y+gl->height);
    
    rb_vertex = rb_index = 0;
    indexArray[rb_index++] = rb_vertex+0;
    indexArray[rb_index++] = rb_vertex+1;
    indexArray[rb_index++] = rb_vertex+2;
    indexArray[rb_index++] = rb_vertex+0;
    indexArray[rb_index++] = rb_vertex+2;
    indexArray[rb_index++] = rb_vertex+3;
    for (i=0; i<4; i++) {
        VA_SetElem2(texCoordArray[0][rb_vertex], texCoord[i][0], texCoord[i][1]);
        VA_SetElem3(vertexArray[rb_vertex], verts[i][0], verts[i][1], 0);
        VA_SetElem4(colorArray[rb_vertex], 1.0, 1.0, 1.0, 1.0);
        rb_vertex++;
    }
    RB_RenderMeshGeneric (false);
}
示例#5
0
/*
================
DrawGLFlowingPoly -- version of DrawGLPoly that handles scrolling texture
================
*/
void DrawGLFlowingPoly (msurface_t *fa)
{
	int		i;
	float	*v;
	glpoly_t *p;
	float	scroll;

	p = fa->polys;

	scroll = -64 * ((r_newrefdef.time / 40.0) - (int)(r_newrefdef.time / 40.0));
	if (scroll == 0.0)
		scroll = -64.0;

#ifdef BEEFQUAKERENDER // jit3dfx
	v = p->verts[0];
	for (i=0; i<p->numverts; i++, v+= VERTEXSIZE)
	{
		VA_SetElem2(tex_array[i],(v[3]+scroll),v[4]);
		VA_SetElem3(vert_array[i],v[0],v[1],v[2]);
	}
	// if (qgl.LockArraysEXT != 0) qgl.LockArraysEXT(0,p->numverts);
	qgl.DrawArrays (GL_POLYGON, 0, p->numverts);
	// if (qgl.UnlockArraysEXT != 0) qgl.UnlockArraysEXT();
#else
		qgl.Begin (GL_POLYGON);
	v = p->verts[0];
	for (i=0; i<p->numverts; i++, v+= VERTEXSIZE)
	{
		qgl.TexCoord2f ((v[3] + scroll), v[4]);
		qgl.Vertex3fv (v);
	}
	qgl.End ();
#endif
}
示例#6
0
/*
 =============
 R_DrawStretchImage
 =============
 */
void R_DrawStretchImage (int32_t x, int32_t y, int32_t w, int32_t h, image_t *gl, float alpha)
{
    int32_t			i;
    vec2_t		texCoord[4], verts[4];
    
    if (scrap_dirty)
        Scrap_Upload ();
    
    // Psychospaz's transparent console support
    if (gl->has_alpha || alpha < 1.0)
    {
        GL_Disable (GL_ALPHA_TEST);
        GL_TexEnv (GL_MODULATE);
        GL_Enable (GL_BLEND);
        GL_DepthMask (false);
    }
    
    GL_Bind (gl->texnum);
    
    Vector2Set(texCoord[0], gl->sl, gl->tl);
    Vector2Set(texCoord[1], gl->sh, gl->tl);
    Vector2Set(texCoord[2], gl->sh, gl->th);
    Vector2Set(texCoord[3], gl->sl, gl->th);
    
    Vector2Set(verts[0], x, y);
    Vector2Set(verts[1], x+w, y);
    Vector2Set(verts[2], x+w, y+h);
    Vector2Set(verts[3], x, y+h);
    
    rb_vertex = rb_index = 0;
    indexArray[rb_index++] = rb_vertex+0;
    indexArray[rb_index++] = rb_vertex+1;
    indexArray[rb_index++] = rb_vertex+2;
    indexArray[rb_index++] = rb_vertex+0;
    indexArray[rb_index++] = rb_vertex+2;
    indexArray[rb_index++] = rb_vertex+3;
    for (i=0; i<4; i++) {
        VA_SetElem2(texCoordArray[0][rb_vertex], texCoord[i][0], texCoord[i][1]);
        VA_SetElem3(vertexArray[rb_vertex], verts[i][0], verts[i][1], 0);
        VA_SetElem4(colorArray[rb_vertex], 1.0, 1.0, 1.0, alpha);
        rb_vertex++;
    }
    RB_RenderMeshGeneric (false);
    
    // Psychospaz's transparent console support
    if (gl->has_alpha || alpha < 1.0)
    {
        GL_DepthMask (true);
        GL_TexEnv (GL_REPLACE);
        GL_Disable (GL_BLEND);
        GL_Enable (GL_ALPHA_TEST);
    }
}
示例#7
0
void DrawGLPolyChain(glpoly_t *p, float soffset, float toffset)
{
	if (soffset == 0 && toffset == 0)
	{
		for (; p != 0; p = p->chain)
		{
			float *v;
			int j;

			v = p->verts[0];
			for (j=0; j<p->numverts; j++, v+= VERTEXSIZE)
			{
				VA_SetElem2(tex_array[j],v[5],v[6]);
				VA_SetElem3(vert_array[j],v[0],v[1],v[2]);
			}

			// if (qgl.LockArraysEXT) qgl.LockArraysEXT(0,p->numverts);
			qgl.DrawArrays (GL_POLYGON, 0, p->numverts);
			// if (qgl.UnlockArraysEXT) qgl.UnlockArraysEXT();
		}
	}
	else
	{
		for (; p != 0; p = p->chain)
		{
			float *v;
			int j;

			v = p->verts[0];
			for (j=0; j<p->numverts; j++, v+= VERTEXSIZE)
			{
				VA_SetElem2(tex_array[j],(v[5]-soffset),(v[6]-toffset));
				VA_SetElem3(vert_array[j],v[0],v[1],v[2]);
			}
			// if (qgl.LockArraysEXT) qgl.LockArraysEXT(0,p->numverts);
			qgl.DrawArrays (GL_POLYGON, 0, p->numverts);
			// if (qgl.UnlockArraysEXT)	qgl.UnlockArraysEXT();
		}
	}
}
示例#8
0
void R_DrawStretchRaw (int32_t x, int32_t y, int32_t w, int32_t h, const byte *raw, int32_t rawWidth, int32_t rawHeight) //qboolean noDraw)
{
	int32_t		i;
	vec2_t	texCoord[4], verts[4];

	// Make sure everything is flushed if needed
	//if (!noDraw)
	//	RB_RenderMesh();

	// Update the texture as appropriate
	GL_Bind(glMedia.rawtexture->texnum);
	
	if (rawWidth == glMedia.rawtexture->upload_width && rawHeight == glMedia.rawtexture->upload_height)
		glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, rawWidth, rawHeight, GL_RGBA, GL_UNSIGNED_BYTE, raw);
	else {
		glMedia.rawtexture->upload_width = rawWidth;
		glMedia.rawtexture->upload_height = rawHeight;
		glTexImage2D(GL_TEXTURE_2D, 0, gl_raw_tex_solid_format, rawWidth, rawHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, raw);
	}

	//if (noDraw)
	//	return;

	glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
	glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);

	// Draw it
	Vector2Set(texCoord[0], 0, 0);
	Vector2Set(texCoord[1], 1, 0);
	Vector2Set(texCoord[2], 1, 1);
	Vector2Set(texCoord[3], 0, 1);

	Vector2Set(verts[0], x, y);
	Vector2Set(verts[1], x+w, y);
	Vector2Set(verts[2], x+w, y+h);
	Vector2Set(verts[3], x, y+h);

	rb_vertex = rb_index = 0;
	indexArray[rb_index++] = rb_vertex+0;
	indexArray[rb_index++] = rb_vertex+1;
	indexArray[rb_index++] = rb_vertex+2;
	indexArray[rb_index++] = rb_vertex+0;
	indexArray[rb_index++] = rb_vertex+2;
	indexArray[rb_index++] = rb_vertex+3;
	for (i=0; i<4; i++) {
		VA_SetElem2(texCoordArray[0][rb_vertex], texCoord[i][0], texCoord[i][1]);
		VA_SetElem3(vertexArray[rb_vertex], verts[i][0], verts[i][1], 0);
		VA_SetElem4(colorArray[rb_vertex], 1, 1, 1, 1);
		rb_vertex++;
	}
	RB_RenderMeshGeneric (false);
}
示例#9
0
文件: r_sky.c 项目: Kiln707/KMQuake2
void MakeSkyVec (float s, float t, int axis)
{
	vec3_t		v, b;
	int			j, k;

	//Knightmare- 12/26/2001- variable back clipping plane distance
	b[0] = s * r_skydistance->value;
	b[1] = t * r_skydistance->value;
	b[2] = r_skydistance->value;
	//end Knightmare

	for (j=0 ; j<3 ; j++)
	{
		k = st_to_vec[axis][j];
		if (k < 0)
			v[j] = -b[-k - 1];
		else
			v[j] = b[k - 1];
	}

	// avoid bilerp seam
	s = (s+1)*0.5;
	t = (t+1)*0.5;

	if (s < sky_min)
		s = sky_min;
	else if (s > sky_max)
		s = sky_max;
	if (t < sky_min)
		t = sky_min;
	else if (t > sky_max)
		t = sky_max;

	t = 1.0 - t;

	VA_SetElem2(texCoordArray[0][rb_vertex], s, t);
	VA_SetElem3(vertexArray[rb_vertex], v[0], v[1], v[2]);
	VA_SetElem4(colorArray[rb_vertex], 1.0f, 1.0f, 1.0f, 1.0f);
	rb_vertex++;
}
示例#10
0
/*
 =============
 R_DrawTileImage
 
 This repeats a 64*64 tile graphic to fill the screen around a sized down
 refresh window.
 =============
 */
void R_DrawTileImage (int32_t x, int32_t y, int32_t w, int32_t h, image_t *image)
{
    int32_t		i;
    vec2_t	texCoord[4], verts[4];
    
    GL_Bind (image->texnum);
    /*
     Vector2Set(texCoord[0], x/64.0, y/64.0);
     Vector2Set(texCoord[1], (x+w)/64.0, y/64.0);
     Vector2Set(texCoord[2], (x+w)/64.0, (y+h)/64.0);
     Vector2Set(texCoord[3], x/64.0, (y+h)/64.0);
     */
    Vector2Set(texCoord[0], (float)x/(float)image->width, (float)y/(float)image->height);
    Vector2Set(texCoord[1], (float)(x+w)/(float)image->width, (float)y/(float)image->height);
    Vector2Set(texCoord[2], (float)(x+w)/(float)image->width, (float)(y+h)/(float)image->height);
    Vector2Set(texCoord[3], (float)x/(float)image->width, (float)(y+h)/(float)image->height);
    
    Vector2Set(verts[0], x, y);
    Vector2Set(verts[1], x+w, y);
    Vector2Set(verts[2], x+w, y+h);
    Vector2Set(verts[3], x, y+h);
    
    rb_vertex = rb_index = 0;
    indexArray[rb_index++] = rb_vertex+0;
    indexArray[rb_index++] = rb_vertex+1;
    indexArray[rb_index++] = rb_vertex+2;
    indexArray[rb_index++] = rb_vertex+0;
    indexArray[rb_index++] = rb_vertex+2;
    indexArray[rb_index++] = rb_vertex+3;
    for (i=0; i<4; i++) {
        VA_SetElem2(texCoordArray[0][rb_vertex], texCoord[i][0], texCoord[i][1]);
        VA_SetElem3(vertexArray[rb_vertex], verts[i][0], verts[i][1], 0);
        VA_SetElem4(colorArray[rb_vertex], 1.0, 1.0, 1.0, 1.0);
        rb_vertex++;
    }
    RB_RenderMeshGeneric (false);
}
示例#11
0
文件: r_warp.c 项目: Kiln707/KMQuake2
/*
=============
R_DrawWarpSurface

Does a water warp on the pre-fragmented glpoly_t chain.
added Psychospaz's lightmaps on alpha surfaces
=============
*/
void R_DrawWarpSurface (msurface_t *fa, float alpha, qboolean render)
{
	glpoly_t	*p, *bp;
	float		*v, s, t, scroll, dstscroll, rdt = r_newrefdef.time;
	vec3_t		point;
	int			i;
	qboolean	light = r_warp_lighting->value && !r_fullbright->value && !(fa->texinfo->flags & SURF_NOLIGHTENV);
	qboolean	texShaderNV = glConfig.NV_texshaders && glConfig.multitexture
								&& ( (!glConfig.arb_fragment_program && r_pixel_shader_warp->value)
									|| (glConfig.arb_fragment_program && r_pixel_shader_warp->value > 1) );

	c_brush_surfs++;

	dstscroll = -64 * ( (r_newrefdef.time*0.15) - (int)(r_newrefdef.time*0.15) );

	if (fa->texinfo->flags & SURF_FLOWING)
		scroll = -64 * ( (r_newrefdef.time*0.5) - (int)(r_newrefdef.time*0.5) );
	else
		scroll = 0.0f;

//	rb_vertex = rb_index = 0;
	for (bp = fa->polys; bp; bp = bp->next)
	{
		c_brush_polys += (bp->numverts-2);
		p = bp;
		if (RB_CheckArrayOverflow (p->numverts, (p->numverts-2)*3))
			RB_RenderWarpSurface (fa);
		for (i = 0; i < p->numverts-2; i++) {
			indexArray[rb_index++] = rb_vertex;
			indexArray[rb_index++] = rb_vertex+i+1;
			indexArray[rb_index++] = rb_vertex+i+2;
		}
		for (i=0, v=p->verts[0]; i<p->numverts; i++, v+=VERTEXSIZE)
		{
		#if !id386
			s = v[3] + r_turbsin[(int)((v[4]*0.125+rdt) * TURBSCALE) & 255];
			t = v[4] + r_turbsin[(int)((v[3]*0.125+rdt) * TURBSCALE) & 255];
		#else
			s = v[3] + r_turbsin[Q_ftol( ((v[4]*0.125+rdt) * TURBSCALE) ) & 255];
			t = v[4] + r_turbsin[Q_ftol( ((v[3]*0.125+rdt) * TURBSCALE) ) & 255];
		#endif
			s += scroll;
			s *= DIV64;
			t *= DIV64;
//=============== Water waves ========================
			VectorCopy(v, point);
			if ( r_waterwave->value > 0 && !(fa->texinfo->flags & SURF_FLOWING)
				&& fa->plane->normal[2] > 0
				&& fa->plane->normal[2] > fa->plane->normal[0]
				&& fa->plane->normal[2] > fa->plane->normal[1] )
				point[2] = v[2] + r_waterwave->value * sin(v[0]*0.025+rdt) * sin(v[2]*0.05+rdt);
//=============== End water waves ====================
			// MrG - texture shader waterwarp
			if (texShaderNV) {
				VA_SetElem2(texCoordArray[0][rb_vertex], (v[3]+dstscroll)*DIV64, v[4]*DIV64);
				VA_SetElem2(texCoordArray[1][rb_vertex], s, t);
			}
			else {
				VA_SetElem2(texCoordArray[0][rb_vertex], s, t);
				VA_SetElem2(texCoordArray[1][rb_vertex], (v[3]+dstscroll)*DIV64, v[4]*DIV64);
			}

			if (light && p->vertexlight && p->vertexlightset)
				VA_SetElem4(colorArray[rb_vertex],
					(float)(p->vertexlight[i*3+0]*DIV255),
					(float)(p->vertexlight[i*3+1]*DIV255),
					(float)(p->vertexlight[i*3+2]*DIV255), alpha);
			else
				VA_SetElem4(colorArray[rb_vertex], glState.inverse_intensity, glState.inverse_intensity, glState.inverse_intensity, alpha);

			VA_SetElem3(vertexArray[rb_vertex], point[0], point[1], point[2]);

			rb_vertex++;
		}
	}

	if (render)
		RB_RenderWarpSurface (fa);
}
示例#12
0
void R_DrawCameraEffect (void)
{
	image_t			*image[2];
	int32_t				x, y, w, h, i, j;
	float			texparms[2][4];
	vec2_t			texCoord[4];
	vec3_t			verts[4];
	renderparms_t	cameraParms;

	image[0] = R_DrawFindPic ("/gfx/2d/screenstatic.tga");
	image[1] = R_DrawFindPic ("/gfx/2d/scanlines.tga");

	if (!image[0] || !image[1])
		return;

	x = y = 0; w = vid.width; h = vid.height;
	GL_Disable (GL_ALPHA_TEST);
	GL_TexEnv (GL_MODULATE);
	GL_Enable (GL_BLEND);
	GL_BlendFunc (GL_DST_COLOR, GL_SRC_COLOR);
	GL_DepthMask   (false);

	VectorSet(verts[0], x, y, 0);
	VectorSet(verts[1], x+w, y, 0);
	VectorSet(verts[2], x+w, y+h, 0);
	VectorSet(verts[3], x, y+h, 0);

	Vector4Set(texparms[0], 2, 2, -30, 10);
	Vector4Set(texparms[1], 1, 10, 0, 0);

	rb_vertex = rb_index = 0;
	indexArray[rb_index++] = rb_vertex+0;
	indexArray[rb_index++] = rb_vertex+1;
	indexArray[rb_index++] = rb_vertex+2;
	indexArray[rb_index++] = rb_vertex+0;
	indexArray[rb_index++] = rb_vertex+2;
	indexArray[rb_index++] = rb_vertex+3;
	rb_vertex = 4;

	for (i=0; i<2; i++)
	{
		GL_Bind (image[i]->texnum);
		Vector2Set(texCoord[0], x/image[i]->width, y/image[i]->height);
		Vector2Set(texCoord[1], (x+w)/image[i]->width, y/image[i]->height);
		Vector2Set(texCoord[2], (x+w)/image[i]->width, (y+h)/image[i]->height);
		Vector2Set(texCoord[3], x/image[i]->width, (y+h)/image[i]->height);
		Mod_SetRenderParmsDefaults (&cameraParms);
		cameraParms.scale_x = texparms[i][0];
		cameraParms.scale_y = texparms[i][1];
		cameraParms.scroll_x = texparms[i][2];
		cameraParms.scroll_y = texparms[i][3];
		RB_ModifyTextureCoords (&texCoord[0][0], &verts[0][0], 4, cameraParms);
		for (j=0; j<4; j++) {
			VA_SetElem2(texCoordArray[0][j], texCoord[j][0], texCoord[j][1]);
			VA_SetElem3(vertexArray[j], verts[j][0], verts[j][1], verts[j][2]);
			VA_SetElem4(colorArray[j], 1, 1, 1, 1);
		}
		RB_DrawArrays ();
	}
	rb_vertex = rb_index = 0;

	GL_DepthMask (true);
	GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
	GL_Disable (GL_BLEND);
	GL_TexEnv (GL_REPLACE);
	GL_Enable (GL_ALPHA_TEST);
}
示例#13
0
文件: r_draw.c 项目: postfix/quake2vr
/*
================
R_DrawChar
Draws one variable sized graphics character with 0 being transparent.
It can be clipped to the top of the screen to allow the console to be
smoothly scrolled off.
================
*/
void R_DrawChar (float x, float y, int32_t num, float scale,
                 int32_t red, int32_t green, int32_t blue, int32_t alpha, qboolean italic, qboolean last)
{
    int32_t			row, col;
    float		frow, fcol, size, cscale, italicAdd;
    qboolean	addChar = true;

    const vec_t r = min(red, 255)*DIV255;
    const vec_t g = min(green, 255)*DIV255;
    const vec_t b = min(blue, 255)*DIV255;
    const vec_t a = max(min(alpha, 255), 1)*DIV255;


    const vec4_t color[4] = {
        {r,g,b,a},
        {r,g,b,a},
        {r,g,b,a},
        {r,g,b,a}
    };

    num &= 255;

    if ((num & 127) == 32)	// space
        addChar = false;
    if (y <= -(scale * DEFAULT_FONT_SIZE))	// totally off screen
        addChar = false;

    row = num >> 4;
    col = num&15;

    frow = row*0.0625;
    fcol = col*0.0625;
    size = 0.0625;
    cscale = scale * DEFAULT_FONT_SIZE;

    italicAdd = (italic) ? (cscale*0.25) : 0;

    if (addChar)
    {
        if (char_count == 0)
            rb_vertex = rb_index = 0;
        if (rb_vertex + 4 >= MAX_VERTICES || rb_index + 6 >= MAX_INDICES)
            R_FlushChars ();
        indexArray[rb_index] = rb_vertex+0;
        indexArray[rb_index+1] = rb_vertex+1;
        indexArray[rb_index+2] = rb_vertex+2;
        indexArray[rb_index+3] = rb_vertex+0;
        indexArray[rb_index+4] = rb_vertex+2;
        indexArray[rb_index+5] = rb_vertex+3;

        rb_index += 6;

        VA_SetElem2(texCoordArray[0][rb_vertex], fcol, frow);
        VA_SetElem2(texCoordArray[0][rb_vertex+1], fcol + size, frow);
        VA_SetElem2(texCoordArray[0][rb_vertex+2], fcol + size, frow + size);
        VA_SetElem2(texCoordArray[0][rb_vertex+3], fcol, frow + size);

        VA_SetElem3(vertexArray[rb_vertex], x+italicAdd, y, 0);
        VA_SetElem3(vertexArray[rb_vertex+1], x+cscale+italicAdd, y, 0);
        VA_SetElem3(vertexArray[rb_vertex+2], x+cscale-italicAdd, y+cscale, 0);
        VA_SetElem3(vertexArray[rb_vertex+3], x-italicAdd, y+cscale, 0);

        memcpy(colorArray[rb_vertex], color, sizeof(vec4_t) * 4);

        rb_vertex += 4;
        char_count++;
    }
    if (last)
        R_FlushChars ();
}
示例#14
0
/*
================
R_DrawChar
Draws one variable sized graphics character with 0 being transparent.
It can be clipped to the top of the screen to allow the console to be
smoothly scrolled off.
================
*/
void R_DrawChar (float x, float y, int32_t num, float scale, 
	 int32_t red, int32_t green, int32_t blue, int32_t alpha, qboolean italic, qboolean last)
{
	int32_t			row, col, i;
	float		frow, fcol, size, cscale, italicAdd;
	vec2_t		texCoord[4], verts[4];
	qboolean	addChar = true;

	num &= 255;

	if (alpha > 255)
		alpha = 255;
	else if (alpha < 1)
		alpha = 1;

	if ((num & 127) == 32)	// space
		addChar = false;
	if (y <= -(scale * DEFAULT_FONT_SIZE))	// totally off screen
		addChar = false;

	row = num >> 4;
	col = num&15;

	frow = row*0.0625;
	fcol = col*0.0625;
	size = 0.0625;
	cscale = scale * DEFAULT_FONT_SIZE;

	italicAdd = (italic) ? (cscale*0.25) : 0;

	if (addChar)
	{
		Vector2Set(texCoord[0], fcol, frow);
		Vector2Set(texCoord[1], fcol + size, frow);
		Vector2Set(texCoord[2], fcol + size, frow + size);
		Vector2Set(texCoord[3], fcol, frow + size);

		Vector2Set(verts[0], x+italicAdd, y);
		Vector2Set(verts[1], x+cscale+italicAdd, y);
		Vector2Set(verts[2], x+cscale-italicAdd, y+cscale);
		Vector2Set(verts[3], x-italicAdd, y+cscale);

		if (char_count == 0)
			rb_vertex = rb_index = 0;
		if (rb_vertex + 4 >= MAX_VERTICES || rb_index + 6 >= MAX_INDICES)
			R_FlushChars ();
		indexArray[rb_index++] = rb_vertex+0;
		indexArray[rb_index++] = rb_vertex+1;
		indexArray[rb_index++] = rb_vertex+2;
		indexArray[rb_index++] = rb_vertex+0;
		indexArray[rb_index++] = rb_vertex+2;
		indexArray[rb_index++] = rb_vertex+3;
		for (i=0; i<4; i++) {
			VA_SetElem2(texCoordArray[0][rb_vertex], texCoord[i][0], texCoord[i][1]);
			VA_SetElem3(vertexArray[rb_vertex], verts[i][0], verts[i][1], 0);
			VA_SetElem4(colorArray[rb_vertex], red*DIV255, green*DIV255, blue*DIV255, alpha*DIV255);
			rb_vertex++;
		}
		char_count++;
	}
	if (last)
		R_FlushChars ();
}
示例#15
0
文件: r_draw.c 项目: postfix/quake2vr
/*
 =============
 R_DrawScaledImage
 Psychospaz's code for drawing stretched crosshairs
 =============
 */
void R_DrawScaledImage (int32_t x, int32_t y, float scale, float alpha, image_t *gl)
{
    float	xoff, yoff;
    float	scale_x, scale_y;

    const vec4_t color[4] = {
        {1.0, 1.0, 1.0, alpha},
        {1.0, 1.0, 1.0, alpha},
        {1.0, 1.0, 1.0, alpha},
        {1.0, 1.0, 1.0, alpha}
    };

    if (scrap_dirty)
        Scrap_Upload ();

    // add alpha support
    if (gl->has_alpha || alpha < 1.0)
    {
        GL_Disable (GL_ALPHA_TEST);
        GL_TexEnv (GL_MODULATE);
        GL_Enable (GL_BLEND);
        GL_DepthMask (false);
    }

    GL_Bind (gl->texnum);

    scale_x = scale_y = scale;
    scale_x *= gl->replace_scale_w; // scale down if replacing a pcx image
    scale_y *= gl->replace_scale_h; // scale down if replacing a pcx image


    xoff = gl->width*scale_x-gl->width;
    yoff = gl->height*scale_y-gl->height;

    rb_vertex = rb_index = 0;

    memcpy(indexArray, indices, sizeof(indices));
    rb_index = 6;

    VA_SetElem2(texCoordArray[0][0], gl->sl, gl->tl);
    VA_SetElem2(texCoordArray[0][1], gl->sh, gl->tl);
    VA_SetElem2(texCoordArray[0][2], gl->sh, gl->th);
    VA_SetElem2(texCoordArray[0][3], gl->sl, gl->th);


    VA_SetElem3(vertexArray[0], x, y, 0);
    VA_SetElem3(vertexArray[1], x+gl->width+xoff, y, 0);
    VA_SetElem3(vertexArray[2], x+gl->width+xoff, y+gl->height+yoff, 0);
    VA_SetElem3(vertexArray[3], x, y+gl->height+yoff, 0);

    memcpy(colorArray, color, sizeof(vec4_t) * 4);

    rb_vertex = 4;


    RB_RenderMeshGeneric (false);

    if (gl->has_alpha || alpha < 1.0)
    {
        GL_DepthMask (true);
        GL_TexEnv (GL_REPLACE);
        GL_Disable (GL_BLEND);
        GL_Enable (GL_ALPHA_TEST); // add alpha support
    }
}
示例#16
0
/*
=================
R_DrawSpriteModel
=================
*/
void R_DrawSpriteModel (entity_t *e)
{
    float			alpha = 1.0f;
    vec2_t			texCoord[4];
    vec3_t			point[4];
    dsprite_t		*psprite;
    dsprframe_t		*frame;
    float			*up, *right;
    int				i;

    // don't even bother culling, because it's just a single
    // polygon without a surface cache

    psprite = (dsprite_t *)currentmodel->extradata;

    e->frame %= psprite->numframes;

    frame = &psprite->frames[e->frame];

    if (!frame) return;

    c_alias_polys += 2;

    // normal sprite
    up = vup;
    right = vright;

    if (e->flags & RF_TRANSLUCENT)
        alpha = e->alpha;

    R_SetVertexRGBScale (true);

    // Psychospaz's additive transparency
    if ((currententity->flags & RF_TRANS_ADDITIVE) && (alpha != 1.0f))
    {
        GL_Enable (GL_BLEND);
        GL_TexEnv (GL_MODULATE);
        GL_Disable (GL_ALPHA_TEST);
        GL_DepthMask (false);
        GL_BlendFunc (GL_SRC_ALPHA, GL_ONE);
    }
    else
    {
        GL_TexEnv (GL_MODULATE);
        if (alpha == 1.0f) {
            GL_Enable (GL_ALPHA_TEST);
            GL_DepthMask (true);
        }
        else {
            GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
            GL_DepthMask (false);
            GL_Enable (GL_BLEND);
            GL_Disable (GL_ALPHA_TEST);
        }
    }
    GL_Bind(currentmodel->skins[0][e->frame]->texnum);

    Vector2Set(texCoord[0], 0, 1);
    Vector2Set(texCoord[1], 0, 0);
    Vector2Set(texCoord[2], 1, 0);
    Vector2Set(texCoord[3], 1, 1);

    VectorMA (e->origin, -frame->origin_y, up, point[0]);
    VectorMA (point[0], -frame->origin_x, right, point[0]);

    VectorMA (e->origin, frame->height - frame->origin_y, up, point[1]);
    VectorMA (point[1], -frame->origin_x, right, point[1]);

    VectorMA (e->origin, frame->height - frame->origin_y, up, point[2]);
    VectorMA (point[2], frame->width - frame->origin_x, right, point[2]);

    VectorMA (e->origin, -frame->origin_y, up, point[3]);
    VectorMA (point[3], frame->width - frame->origin_x, right, point[3]);

    rb_vertex = rb_index = 0;
    indexArray[rb_index++] = rb_vertex+0;
    indexArray[rb_index++] = rb_vertex+1;
    indexArray[rb_index++] = rb_vertex+2;
    indexArray[rb_index++] = rb_vertex+0;
    indexArray[rb_index++] = rb_vertex+2;
    indexArray[rb_index++] = rb_vertex+3;
    for (i=0; i<4; i++) {
        VA_SetElem2(texCoordArray[0][rb_vertex], texCoord[i][0], texCoord[i][1]);
        VA_SetElem3(vertexArray[rb_vertex], point[i][0], point[i][1], point[i][2]);
        VA_SetElem4(colorArray[rb_vertex], 1.0f, 1.0f, 1.0f, alpha);
        rb_vertex++;
    }
    RB_DrawArrays ();

    GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
    GL_TexEnv (GL_REPLACE);
    GL_DepthMask (true);
    GL_Disable (GL_ALPHA_TEST);
    GL_Disable (GL_BLEND);

    R_SetVertexRGBScale (false);

    RB_DrawMeshTris ();
    rb_vertex = rb_index = 0;
}
示例#17
0
/*
 =============
 R_DrawScaledImage
 Psychospaz's code for drawing stretched crosshairs
 =============
 */
void R_DrawScaledImage (int32_t x, int32_t y, float scale, float alpha, image_t *gl)
{
    float	xoff, yoff;
    float	scale_x, scale_y;
    int32_t		i;
    vec2_t	texCoord[4], verts[4];
    
    if (scrap_dirty)
        Scrap_Upload ();
    
    // add alpha support
    if (gl->has_alpha || alpha < 1.0)
    {
        GL_Disable (GL_ALPHA_TEST);
        GL_TexEnv (GL_MODULATE);
        GL_Enable (GL_BLEND);
        GL_DepthMask (false);
    }
    
    GL_Bind (gl->texnum);
    
    scale_x = scale_y = scale;
    scale_x *= gl->replace_scale_w; // scale down if replacing a pcx image
    scale_y *= gl->replace_scale_h; // scale down if replacing a pcx image
    
    Vector2Set(texCoord[0], gl->sl, gl->tl);
    Vector2Set(texCoord[1], gl->sh, gl->tl);
    Vector2Set(texCoord[2], gl->sh, gl->th);
    Vector2Set(texCoord[3], gl->sl, gl->th);
    
    xoff = gl->width*scale_x-gl->width;
    yoff = gl->height*scale_y-gl->height;
    
    Vector2Set(verts[0], x, y);
    Vector2Set(verts[1], x+gl->width+xoff, y);
    Vector2Set(verts[2], x+gl->width+xoff, y+gl->height+yoff);
    Vector2Set(verts[3], x, y+gl->height+yoff);
    
    rb_vertex = rb_index = 0;
    indexArray[rb_index++] = rb_vertex+0;
    indexArray[rb_index++] = rb_vertex+1;
    indexArray[rb_index++] = rb_vertex+2;
    indexArray[rb_index++] = rb_vertex+0;
    indexArray[rb_index++] = rb_vertex+2;
    indexArray[rb_index++] = rb_vertex+3;
    for (i=0; i<4; i++) {
        VA_SetElem2(texCoordArray[0][rb_vertex], texCoord[i][0], texCoord[i][1]);
        VA_SetElem3(vertexArray[rb_vertex], verts[i][0], verts[i][1], 0);
        VA_SetElem4(colorArray[rb_vertex], 1.0, 1.0, 1.0, alpha);
        rb_vertex++;
    }
    RB_RenderMeshGeneric (false);
    
    if (gl->has_alpha || alpha < 1.0)
    {
        GL_DepthMask (true);
        GL_TexEnv (GL_REPLACE);
        GL_Disable (GL_BLEND);
        GL_Enable (GL_ALPHA_TEST); // add alpha support
    }
}
示例#18
0
/*
=================
R_DrawAliasFrameLerp
=================
*/
void R_DrawAliasFrameLerp (maliasmodel_t *paliashdr, entity_t *e)
{
	int			i, j, k, meshnum;
	maliasframe_t	*frame, *oldframe;
	maliasmesh_t	mesh;
	maliasvertex_t	*v, *ov;
	vec3_t		move, delta, vectors[3];
	vec3_t		curScale, oldScale, curNormal, oldNormal;
	vec3_t		tempNormalsArray[MD3_MAX_VERTS];
	vec2_t		tempSkinCoord;
	vec3_t		meshlight, lightcolor;
	float		alpha, meshalpha, thisalpha, shellscale, frontlerp, backlerp = e->backlerp;
	image_t		*skin;
	renderparms_t	skinParms;
	qboolean	shellModel = e->flags & ( RF_SHELL_RED | RF_SHELL_GREEN | RF_SHELL_BLUE | RF_SHELL_DOUBLE | RF_SHELL_HALF_DAM);

	frontlerp = 1.0 - backlerp;

	if (e->flags & RF_TRANSLUCENT)
		alpha = e->alpha;
	else
		alpha = 1.0;

	frame = paliashdr->frames + e->frame;
	oldframe = paliashdr->frames + e->oldframe;

	VectorScale(frame->scale, frontlerp, curScale);
	VectorScale(oldframe->scale, backlerp, oldScale);

	// move should be the delta back to the previous frame * backlerp
	VectorSubtract (e->oldorigin, e->origin, delta);
	AngleVectors (e->angles, vectors[0], vectors[1], vectors[2]);

	move[0] = DotProduct (delta, vectors[0]);	// forward
	move[1] = -DotProduct (delta, vectors[1]);	// left
	move[2] = DotProduct (delta, vectors[2]);	// up

	VectorAdd (move, oldframe->translate, move);

	for (i=0 ; i<3 ; i++)
		move[i] = backlerp*move[i] + frontlerp*frame->translate[i];

	R_SetVertexOverbrights(true);
	R_SetShellBlend (true);

	// new outer loop for whole model
	for (k=0, meshnum=0; k < paliashdr->num_meshes; k++, meshnum++)
	{
		mesh = paliashdr->meshes[k];
		skinParms = mesh.skins[e->skinnum].renderparms;

		// select skin
		if (e->skin)
			skin = e->skin;	// custom player skin
		else
			skin = currentmodel->skins[k][e->skinnum];
		if (!skin)
			skin = r_notexture;
		if ( !shellModel )
			GL_Bind(skin->texnum);
		else if (FlowingShell())
			alpha = 0.7;

		// md3 skin scripting
		if (skinParms.nodraw) 
			continue; // skip this mesh for this skin

		if (skinParms.twosided)
			GL_Disable(GL_CULL_FACE);

		if (skinParms.alphatest && !shellModel)
			GL_Enable(GL_ALPHA_TEST);

		if (skinParms.fullbright)
			VectorSet(meshlight, 1.0f, 1.0f, 1.0f);
		else
			VectorCopy(shadelight, meshlight);

		meshalpha = alpha * skinParms.basealpha;

		if (meshalpha < 1.0f || skinParms.blend)
			GL_Enable (GL_BLEND);
		else
			GL_Disable (GL_BLEND);

		if (skinParms.blend && !shellModel)
			GL_BlendFunc (skinParms.blendfunc_src, skinParms.blendfunc_dst);
		else
			GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
		// md3 skin scripting

		v = mesh.vertexes + e->frame*mesh.num_verts;
		ov = mesh.vertexes + e->oldframe*mesh.num_verts;
		rb_vertex = 0;

		for (i=0; i<mesh.num_verts; i++, v++, ov++)
		{
			// lerp verts
			curNormal[0] = r_sinTable[v->normal[0]] * r_cosTable[v->normal[1]];
			curNormal[1] = r_sinTable[v->normal[0]] * r_sinTable[v->normal[1]];
			curNormal[2] = r_cosTable[v->normal[0]];

			oldNormal[0] = r_sinTable[ov->normal[0]] * r_cosTable[ov->normal[1]];
			oldNormal[1] = r_sinTable[ov->normal[0]] * r_sinTable[ov->normal[1]];
			oldNormal[2] = r_cosTable[ov->normal[0]];

			VectorSet ( tempNormalsArray[i],
					curNormal[0] + (oldNormal[0] - curNormal[0])*backlerp,
					curNormal[1] + (oldNormal[1] - curNormal[1])*backlerp,
					curNormal[2] + (oldNormal[2] - curNormal[2])*backlerp );

			if (shellModel) 
				shellscale = (e->flags & RF_WEAPONMODEL) ? WEAPON_SHELL_SCALE: POWERSUIT_SCALE;
			else
				shellscale = 0.0;

			VectorSet ( tempVertexArray[meshnum][i], 
					move[0] + ov->point[0]*oldScale[0] + v->point[0]*curScale[0] + tempNormalsArray[i][0]*shellscale,
					move[1] + ov->point[1]*oldScale[1] + v->point[1]*curScale[1] + tempNormalsArray[i][1]*shellscale,
					move[2] + ov->point[2]*oldScale[2] + v->point[2]*curScale[2] + tempNormalsArray[i][2]*shellscale );

			// calc lighting and alpha
			if (shellModel)
				VectorCopy(meshlight, lightcolor);
			else
				R_LightAliasModel(meshlight, tempNormalsArray[i], lightcolor, v->lightnormalindex, !skinParms.nodiffuse);
			//thisalpha = R_CalcEntAlpha(meshalpha, tempVertexArray[meshnum][i]);
			thisalpha = meshalpha;

			// get tex coords
			if (shellModel && FlowingShell()) {
				tempSkinCoord[0] = (tempVertexArray[meshnum][i][0] + tempVertexArray[meshnum][i][1]) / 40.0 + shellFlowH;
				tempSkinCoord[1] = tempVertexArray[meshnum][i][2] / 40.0 + shellFlowV;
			} else {
				tempSkinCoord[0] = mesh.stcoords[i].st[0];
				tempSkinCoord[1] = mesh.stcoords[i].st[1];
			}

			// add to arrays
			VA_SetElem2(texCoordArray[0][rb_vertex], tempSkinCoord[0], tempSkinCoord[1]);
			VA_SetElem3(vertexArray[rb_vertex], tempVertexArray[meshnum][i][0], tempVertexArray[meshnum][i][1], tempVertexArray[meshnum][i][2]);
			VA_SetElem4(colorArray[rb_vertex], lightcolor[0], lightcolor[1], lightcolor[2], thisalpha);
			rb_vertex++;
		}
		if (!shellModel)
			RB_ModifyTextureCoords (&texCoordArray[0][0][0], &vertexArray[0][0], rb_vertex, skinParms);

		// set indices for each triangle and draw
		rb_index = 0;
		for (j=0; j < mesh.num_tris; j++)
		{
			indexArray[rb_index++] = mesh.indexes[3*j+0];
			indexArray[rb_index++] = mesh.indexes[3*j+1];
			indexArray[rb_index++] = mesh.indexes[3*j+2];
		}
		RB_DrawArrays (GL_TRIANGLES);

		// glow pass
		if (mesh.skins[e->skinnum].glowimage && !shellModel)
		{
			float	glowcolor;
			if (skinParms.glow.type > -1)
				glowcolor = RB_CalcGlowColor (skinParms);
			else
				glowcolor = 1.0;
			qglDisableClientState (GL_COLOR_ARRAY);
			qglColor4f(glowcolor, glowcolor, glowcolor, 1.0);

			GL_Enable (GL_BLEND);
			GL_BlendFunc (GL_ONE, GL_ONE);

			GL_Bind(mesh.skins[e->skinnum].glowimage->texnum);

			RB_DrawArrays (GL_TRIANGLES);

			qglEnableClientState (GL_COLOR_ARRAY);
			qglColor4f(1.0, 1.0, 1.0, 1.0);
		}

		// envmap pass
		if (skinParms.envmap > 0.0f && !shellModel)
		{
			GL_Enable (GL_BLEND);
			GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

			qglTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
			qglTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
			// apply alpha to array
			for (i=0; i<mesh.num_verts; i++) 
				//colorArray[i][3] = R_CalcEntAlpha(meshalpha*skinParms.envmap, tempVertexArray[meshnum][i]);
				colorArray[i][3] = meshalpha*skinParms.envmap;

			GL_Bind(r_envmappic->texnum);

			qglEnable(GL_TEXTURE_GEN_S);
			qglEnable(GL_TEXTURE_GEN_T);

			RB_DrawArrays (GL_TRIANGLES);

			qglDisable(GL_TEXTURE_GEN_S);
			qglDisable(GL_TEXTURE_GEN_T);
		}

		RB_DrawMeshTris (GL_TRIANGLES, 1);

		// md3 skin scripting
		if (skinParms.twosided)
			GL_Enable(GL_CULL_FACE);
		if (skinParms.alphatest && !shellModel)
			GL_Disable(GL_ALPHA_TEST);
		GL_Disable (GL_BLEND);
		// md3 skin scripting

	} // end new outer loop
	
	R_SetShellBlend (false);
	R_SetVertexOverbrights(false);
}