void gr_opengl_start_instance_matrix(const vec3d *offset, const matrix *rotation)
{
Assert( GL_htl_projection_matrix_set );
Assert( GL_htl_view_matrix_set );
if (offset == NULL) {
offset = &vmd_zero_vector;
}
if (rotation == NULL) {
rotation = &vmd_identity_matrix;
}
GL_CHECK_FOR_ERRORS("start of start_instance_matrix()");
vec3d axis;
float ang;
vm_matrix_to_rot_axis_and_angle(rotation, &ang, &axis);
GL_model_matrix_stack.push(offset, rotation);
matrix4 model_matrix = GL_model_matrix_stack.get_transform();
vm_matrix4_x_matrix4(&GL_model_view_matrix, &GL_view_matrix, &model_matrix);
GL_CHECK_FOR_ERRORS("end of start_instance_matrix()");
GL_modelview_matrix_depth++;
}
void gr_end_instance_matrix()
{
Assert(htl_view_matrix_set);
gr_model_matrix_stack.pop();
auto model_matrix = gr_model_matrix_stack.get_transform();
vm_matrix4_x_matrix4(&gr_model_view_matrix, &gr_view_matrix, &model_matrix);
modelview_matrix_depth--;
}
void gr_opengl_end_instance_matrix()
{
Assert(GL_htl_projection_matrix_set);
Assert(GL_htl_view_matrix_set);
GL_model_matrix_stack.pop();
matrix4 model_matrix = GL_model_matrix_stack.get_transform();
vm_matrix4_x_matrix4(&GL_model_view_matrix, &GL_view_matrix, &model_matrix);
GL_modelview_matrix_depth--;
}
void gr_pop_scale_matrix()
{
if (!scale_matrix_set)
return;
gr_model_matrix_stack.pop();
auto model_matrix = gr_model_matrix_stack.get_transform();
vm_matrix4_x_matrix4(&gr_model_view_matrix, &gr_view_matrix, &model_matrix);
modelview_matrix_depth--;
scale_matrix_set = false;
}
void gr_opengl_pop_scale_matrix()
{
if (!GL_scale_matrix_set)
return;
GL_model_matrix_stack.pop();
matrix4 model_matrix = GL_model_matrix_stack.get_transform();
vm_matrix4_x_matrix4(&GL_model_view_matrix, &GL_view_matrix, &model_matrix);
GL_modelview_matrix_depth--;
GL_scale_matrix_set = false;
}
void gr_push_scale_matrix(const vec3d *scale_factor)
{
if ( (scale_factor->xyz.x == 1) && (scale_factor->xyz.y == 1) && (scale_factor->xyz.z == 1) )
return;
scale_matrix_set = true;
modelview_matrix_depth++;
gr_model_matrix_stack.push(NULL, NULL, scale_factor);
auto model_matrix = gr_model_matrix_stack.get_transform();
vm_matrix4_x_matrix4(&gr_model_view_matrix, &gr_view_matrix, &model_matrix);
}
void gr_opengl_push_scale_matrix(const vec3d *scale_factor)
{
if ( (scale_factor->xyz.x == 1) && (scale_factor->xyz.y == 1) && (scale_factor->xyz.z == 1) )
return;
GL_scale_matrix_set = true;
GL_modelview_matrix_depth++;
GL_model_matrix_stack.push(NULL, NULL, scale_factor);
matrix4 model_matrix = GL_model_matrix_stack.get_transform();
vm_matrix4_x_matrix4(&GL_model_view_matrix, &GL_view_matrix, &model_matrix);
}
void gr_set_view_matrix(const vec3d *pos, const matrix *orient)
{
Assert(modelview_matrix_depth == 1);
gr_view_matrix = create_view_matrix(pos, orient);
gr_model_matrix_stack.clear();
gr_model_view_matrix = gr_view_matrix;
if (Cmdline_env) {
gr_env_texture_matrix_set = true;
// setup the texture matrix which will make the the envmap keep lined
// up properly with the environment
// r.xyz <-- r.x, u.x, f.x
gr_env_texture_matrix.a1d[0] = gr_model_view_matrix.a1d[0];
gr_env_texture_matrix.a1d[1] = gr_model_view_matrix.a1d[4];
gr_env_texture_matrix.a1d[2] = gr_model_view_matrix.a1d[8];
// u.xyz <-- r.y, u.y, f.y
gr_env_texture_matrix.a1d[4] = gr_model_view_matrix.a1d[1];
gr_env_texture_matrix.a1d[5] = gr_model_view_matrix.a1d[5];
gr_env_texture_matrix.a1d[6] = gr_model_view_matrix.a1d[9];
// f.xyz <-- r.z, u.z, f.z
gr_env_texture_matrix.a1d[8] = gr_model_view_matrix.a1d[2];
gr_env_texture_matrix.a1d[9] = gr_model_view_matrix.a1d[6];
gr_env_texture_matrix.a1d[10] = gr_model_view_matrix.a1d[10];
gr_env_texture_matrix.a1d[15] = 1.0f;
}
modelview_matrix_depth = 2;
htl_view_matrix_set = true;
}
// set a view and projection matrix for a 2D element
// TODO: this probably needs to accept values
void gr_set_2d_matrix(/*int x, int y, int w, int h*/)
{
// don't bother with this if we aren't even going to need it
if (!gr_htl_projection_matrix_set) {
return;
}
Assert( htl_2d_matrix_set == 0 );
Assert( htl_2d_matrix_depth == 0 );
// the viewport needs to be the full screen size since glOrtho() is relative to it
gr_set_viewport(0, 0, gr_screen.max_w, gr_screen.max_h);
gr_last_projection_matrix = gr_projection_matrix;
// the top and bottom positions are reversed on purpose, but RTT needs them the other way
if (gr_screen.rendering_to_texture != -1) {
create_orthographic_projection_matrix(&gr_projection_matrix, 0, i2fl(gr_screen.max_w), 0, i2fl(gr_screen.max_h), -1, 1);
} else {
create_orthographic_projection_matrix(&gr_projection_matrix, 0, i2fl(gr_screen.max_w), i2fl(gr_screen.max_h), 0, -1, 1);
}
matrix4 identity_mat;
vm_matrix4_set_identity(&identity_mat);
gr_model_matrix_stack.push_and_replace(identity_mat);
gr_last_view_matrix = gr_view_matrix;
gr_view_matrix = identity_mat;
vm_matrix4_x_matrix4(&gr_model_view_matrix, &gr_view_matrix, &identity_mat);
htl_2d_matrix_set = true;
htl_2d_matrix_depth++;
}
void gr_reset_matrices() {
vm_matrix4_set_identity(&gr_projection_matrix);
vm_matrix4_set_identity(&gr_last_projection_matrix);
vm_matrix4_set_identity(&gr_view_matrix);
vm_matrix4_set_identity(&gr_last_view_matrix);
vm_matrix4_set_identity(&gr_model_view_matrix);
gr_model_matrix_stack.clear();
}
void gr_end_view_matrix()
{
Assert(modelview_matrix_depth == 2);
gr_model_matrix_stack.clear();
vm_matrix4_set_identity(&gr_view_matrix);
vm_matrix4_set_identity(&gr_model_view_matrix);
modelview_matrix_depth = 1;
htl_view_matrix_set = false;
gr_env_texture_matrix_set = false;
}
void gr_opengl_end_view_matrix()
{
Assert(GL_modelview_matrix_depth == 2);
GL_model_matrix_stack.clear();
vm_matrix4_set_identity(&GL_view_matrix);
vm_matrix4_set_identity(&GL_model_view_matrix);
GL_modelview_matrix_depth = 1;
GL_htl_view_matrix_set = 0;
GL_env_texture_matrix_set = false;
}
// ends a previously set 2d view and projection matrix
void gr_end_2d_matrix()
{
if (!htl_2d_matrix_set)
return;
Assert( htl_2d_matrix_depth == 1 );
// reset viewport to what it was originally set to by the proj matrix
gr_set_viewport(gr_screen.offset_x, (gr_screen.max_h - gr_screen.offset_y - gr_screen.clip_height), gr_screen.clip_width, gr_screen.clip_height);
gr_projection_matrix = gr_last_projection_matrix;
gr_model_matrix_stack.pop();
gr_view_matrix = gr_last_view_matrix;
auto model_matrix = gr_model_matrix_stack.get_transform();
vm_matrix4_x_matrix4(&gr_model_view_matrix, &gr_view_matrix, &model_matrix);
htl_2d_matrix_set = false;
htl_2d_matrix_depth = 0;
}
// ends a previously set 2d view and projection matrix
void gr_opengl_end_2d_matrix()
{
if (!GL_htl_2d_matrix_set)
return;
Assert( GL_htl_2d_matrix_depth == 1 );
// reset viewport to what it was originally set to by the proj matrix
glViewport(gr_screen.offset_x, (gr_screen.max_h - gr_screen.offset_y - gr_screen.clip_height), gr_screen.clip_width, gr_screen.clip_height);
GL_projection_matrix = GL_last_projection_matrix;
GL_model_matrix_stack.pop();
GL_view_matrix = GL_last_view_matrix;
matrix4 model_matrix = GL_model_matrix_stack.get_transform();
vm_matrix4_x_matrix4(&GL_model_view_matrix, &GL_view_matrix, &model_matrix);
GL_htl_2d_matrix_set = 0;
GL_htl_2d_matrix_depth = 0;
}
void gr_start_instance_matrix(const vec3d *offset, const matrix *rotation)
{
Assert( htl_view_matrix_set );
if (offset == NULL) {
offset = &vmd_zero_vector;
}
if (rotation == NULL) {
rotation = &vmd_identity_matrix;
}
vec3d axis;
float ang;
vm_matrix_to_rot_axis_and_angle(rotation, &ang, &axis);
gr_model_matrix_stack.push(offset, rotation);
auto model_matrix = gr_model_matrix_stack.get_transform();
vm_matrix4_x_matrix4(&gr_model_view_matrix, &gr_view_matrix, &model_matrix);
modelview_matrix_depth++;
}
void gr_opengl_set_view_matrix(const vec3d *pos, const matrix *orient)
{
Assert(GL_htl_projection_matrix_set);
Assert(GL_modelview_matrix_depth == 1);
GL_CHECK_FOR_ERRORS("start of set_view_matrix()");
opengl_create_view_matrix(&GL_view_matrix, pos, orient);
GL_model_matrix_stack.clear();
GL_model_view_matrix = GL_view_matrix;
if (Cmdline_env) {
GL_env_texture_matrix_set = true;
// setup the texture matrix which will make the the envmap keep lined
// up properly with the environment
// r.xyz <-- r.x, u.x, f.x
GL_env_texture_matrix[0] = GL_model_view_matrix.a1d[0];
GL_env_texture_matrix[1] = GL_model_view_matrix.a1d[4];
GL_env_texture_matrix[2] = GL_model_view_matrix.a1d[8];
// u.xyz <-- r.y, u.y, f.y
GL_env_texture_matrix[4] = GL_model_view_matrix.a1d[1];
GL_env_texture_matrix[5] = GL_model_view_matrix.a1d[5];
GL_env_texture_matrix[6] = GL_model_view_matrix.a1d[9];
// f.xyz <-- r.z, u.z, f.z
GL_env_texture_matrix[8] = GL_model_view_matrix.a1d[2];
GL_env_texture_matrix[9] = GL_model_view_matrix.a1d[6];
GL_env_texture_matrix[10] = GL_model_view_matrix.a1d[10];
GL_env_texture_matrix[15] = 1.0f;
}
GL_CHECK_FOR_ERRORS("end of set_view_matrix()");
GL_modelview_matrix_depth = 2;
GL_htl_view_matrix_set = 1;
}
void opengl_tnl_set_model_material(model_material *material_info)
{
float u_scale, v_scale;
int render_pass = 0;
opengl_tnl_set_material(material_info, false);
if ( GL_state.CullFace() ) {
GL_state.FrontFaceValue(GL_CW);
}
gr_opengl_set_center_alpha(material_info->get_center_alpha());
Assert( Current_shader->shader == SDR_TYPE_MODEL );
GL_state.Texture.SetShaderMode(GL_TRUE);
Current_shader->program->Uniforms.setUniformMatrix4f("modelViewMatrix", GL_model_view_matrix);
Current_shader->program->Uniforms.setUniformMatrix4f("modelMatrix", GL_model_matrix_stack.get_transform());
Current_shader->program->Uniforms.setUniformMatrix4f("viewMatrix", GL_view_matrix);
Current_shader->program->Uniforms.setUniformMatrix4f("projMatrix", GL_projection_matrix);
Current_shader->program->Uniforms.setUniformMatrix4f("textureMatrix", GL_texture_matrix);
vec4 clr = material_info->get_color();
Current_shader->program->Uniforms.setUniform4f("color", clr);
if ( Current_shader->flags & SDR_FLAG_MODEL_ANIMATED ) {
Current_shader->program->Uniforms.setUniformf("anim_timer", material_info->get_animated_effect_time());
Current_shader->program->Uniforms.setUniformi("effect_num", material_info->get_animated_effect());
Current_shader->program->Uniforms.setUniformf("vpwidth", 1.0f / gr_screen.max_w);
Current_shader->program->Uniforms.setUniformf("vpheight", 1.0f / gr_screen.max_h);
}
if ( Current_shader->flags & SDR_FLAG_MODEL_CLIP ) {
bool clip = material_info->is_clipped();
if ( clip ) {
material::clip_plane &clip_info = material_info->get_clip_plane();
Current_shader->program->Uniforms.setUniformi("use_clip_plane", 1);
Current_shader->program->Uniforms.setUniform3f("clip_normal", clip_info.normal);
Current_shader->program->Uniforms.setUniform3f("clip_position", clip_info.position);
} else {
Current_shader->program->Uniforms.setUniformi("use_clip_plane", 0);
}
}
if ( Current_shader->flags & SDR_FLAG_MODEL_LIGHT ) {
int num_lights = MIN(Num_active_gl_lights, GL_max_lights) - 1;
float light_factor = material_info->get_light_factor();
Current_shader->program->Uniforms.setUniformi("n_lights", num_lights);
Current_shader->program->Uniforms.setUniform4fv("lightPosition", GL_max_lights, opengl_light_uniforms.Position);
Current_shader->program->Uniforms.setUniform3fv("lightDirection", GL_max_lights, opengl_light_uniforms.Direction);
Current_shader->program->Uniforms.setUniform3fv("lightDiffuseColor", GL_max_lights, opengl_light_uniforms.Diffuse_color);
Current_shader->program->Uniforms.setUniform3fv("lightSpecColor", GL_max_lights, opengl_light_uniforms.Spec_color);
Current_shader->program->Uniforms.setUniform1iv("lightType", GL_max_lights, opengl_light_uniforms.Light_type);
Current_shader->program->Uniforms.setUniform1fv("lightAttenuation", GL_max_lights, opengl_light_uniforms.Attenuation);
if ( !material_info->get_center_alpha() ) {
Current_shader->program->Uniforms.setUniform3f("diffuseFactor", GL_light_color[0] * light_factor, GL_light_color[1] * light_factor, GL_light_color[2] * light_factor);
Current_shader->program->Uniforms.setUniform3f("ambientFactor", GL_light_ambient[0], GL_light_ambient[1], GL_light_ambient[2]);
} else {
//Current_shader->program->Uniforms.setUniform3f("diffuseFactor", GL_light_true_zero[0], GL_light_true_zero[1], GL_light_true_zero[2]);
//Current_shader->program->Uniforms.setUniform3f("ambientFactor", GL_light_true_zero[0], GL_light_true_zero[1], GL_light_true_zero[2]);
Current_shader->program->Uniforms.setUniform3f("diffuseFactor", GL_light_color[0] * light_factor, GL_light_color[1] * light_factor, GL_light_color[2] * light_factor);
Current_shader->program->Uniforms.setUniform3f("ambientFactor", GL_light_ambient[0], GL_light_ambient[1], GL_light_ambient[2]);
}
if ( material_info->get_light_factor() > 0.25f && !Cmdline_no_emissive ) {
Current_shader->program->Uniforms.setUniform3f("emissionFactor", GL_light_emission[0], GL_light_emission[1], GL_light_emission[2]);
} else {
Current_shader->program->Uniforms.setUniform3f("emissionFactor", GL_light_zero[0], GL_light_zero[1], GL_light_zero[2]);
}
Current_shader->program->Uniforms.setUniformf("specPower", Cmdline_ogl_spec);
if ( Gloss_override_set ) {
Current_shader->program->Uniforms.setUniformf("defaultGloss", Gloss_override);
} else {
Current_shader->program->Uniforms.setUniformf("defaultGloss", 0.6f); // add user configurable default gloss in the command line later
}
}
if ( Current_shader->flags & SDR_FLAG_MODEL_DIFFUSE_MAP ) {
Current_shader->program->Uniforms.setUniformi("sBasemap", render_pass);
if ( material_info->is_desaturated() ) {
Current_shader->program->Uniforms.setUniformi("desaturate", 1);
} else {
Current_shader->program->Uniforms.setUniformi("desaturate", 0);
}
if ( Basemap_color_override_set ) {
Current_shader->program->Uniforms.setUniformi("overrideDiffuse", 1);
Current_shader->program->Uniforms.setUniform3f("diffuseClr", Basemap_color_override[0], Basemap_color_override[1], Basemap_color_override[2]);
} else {
Current_shader->program->Uniforms.setUniformi("overrideDiffuse", 0);
}
switch ( material_info->get_blend_mode() ) {
case ALPHA_BLEND_PREMULTIPLIED:
Current_shader->program->Uniforms.setUniformi("blend_alpha", 1);
break;
case ALPHA_BLEND_ADDITIVE:
Current_shader->program->Uniforms.setUniformi("blend_alpha", 2);
break;
default:
Current_shader->program->Uniforms.setUniformi("blend_alpha", 0);
break;
}
gr_opengl_tcache_set(material_info->get_texture_map(TM_BASE_TYPE), TCACHE_TYPE_NORMAL, &u_scale, &v_scale, render_pass);
++render_pass;
}
if ( Current_shader->flags & SDR_FLAG_MODEL_GLOW_MAP ) {
Current_shader->program->Uniforms.setUniformi("sGlowmap", render_pass);
if ( Glowmap_color_override_set ) {
Current_shader->program->Uniforms.setUniformi("overrideGlow", 1);
Current_shader->program->Uniforms.setUniform3f("glowClr", Glowmap_color_override[0], Glowmap_color_override[1], Glowmap_color_override[2]);
} else {
Current_shader->program->Uniforms.setUniformi("overrideGlow", 0);
}
gr_opengl_tcache_set(material_info->get_texture_map(TM_GLOW_TYPE), TCACHE_TYPE_NORMAL, &u_scale, &v_scale, render_pass);
++render_pass;
}
if ( Current_shader->flags & SDR_FLAG_MODEL_SPEC_MAP ) {
Current_shader->program->Uniforms.setUniformi("sSpecmap", render_pass);
if ( Specmap_color_override_set ) {
Current_shader->program->Uniforms.setUniformi("overrideSpec", 1);
Current_shader->program->Uniforms.setUniform3f("specClr", Specmap_color_override[0], Specmap_color_override[1], Specmap_color_override[2]);
} else {
Current_shader->program->Uniforms.setUniformi("overrideSpec", 0);
}
if ( material_info->get_texture_map(TM_SPEC_GLOSS_TYPE) > 0 ) {
gr_opengl_tcache_set(material_info->get_texture_map(TM_SPEC_GLOSS_TYPE), TCACHE_TYPE_NORMAL, &u_scale, &v_scale, render_pass);
Current_shader->program->Uniforms.setUniformi("gammaSpec", 1);
if ( Gloss_override_set ) {
Current_shader->program->Uniforms.setUniformi("alphaGloss", 0);
} else {
Current_shader->program->Uniforms.setUniformi("alphaGloss", 1);
}
} else {
gr_opengl_tcache_set(material_info->get_texture_map(TM_SPECULAR_TYPE), TCACHE_TYPE_NORMAL, &u_scale, &v_scale, render_pass);
Current_shader->program->Uniforms.setUniformi("gammaSpec", 0);
Current_shader->program->Uniforms.setUniformi("alphaGloss", 0);
}
++render_pass;
if ( Current_shader->flags & SDR_FLAG_MODEL_ENV_MAP ) {
matrix4 texture_mat;
for ( int i = 0; i < 16; ++i ) {
texture_mat.a1d[i] = GL_env_texture_matrix[i];
}
if ( material_info->get_texture_map(TM_SPEC_GLOSS_TYPE) > 0 || Gloss_override_set ) {
Current_shader->program->Uniforms.setUniformi("envGloss", 1);
} else {
Current_shader->program->Uniforms.setUniformi("envGloss", 0);
}
Current_shader->program->Uniforms.setUniformMatrix4f("envMatrix", texture_mat);
Current_shader->program->Uniforms.setUniformi("sEnvmap", render_pass);
gr_opengl_tcache_set(ENVMAP, TCACHE_TYPE_CUBEMAP, &u_scale, &v_scale, render_pass);
++render_pass;
}
}
if ( Current_shader->flags & SDR_FLAG_MODEL_NORMAL_MAP ) {
Current_shader->program->Uniforms.setUniformi("sNormalmap", render_pass);
gr_opengl_tcache_set(material_info->get_texture_map(TM_NORMAL_TYPE), TCACHE_TYPE_NORMAL, &u_scale, &v_scale, render_pass);
++render_pass;
}
if ( Current_shader->flags & SDR_FLAG_MODEL_HEIGHT_MAP ) {
Current_shader->program->Uniforms.setUniformi("sHeightmap", render_pass);
gr_opengl_tcache_set(material_info->get_texture_map(TM_HEIGHT_TYPE), TCACHE_TYPE_NORMAL, &u_scale, &v_scale, render_pass);
++render_pass;
}
if ( Current_shader->flags & SDR_FLAG_MODEL_AMBIENT_MAP ) {
Current_shader->program->Uniforms.setUniformi("sAmbientmap", render_pass);
gr_opengl_tcache_set(material_info->get_texture_map(TM_AMBIENT_TYPE), TCACHE_TYPE_NORMAL, &u_scale, &v_scale, render_pass);
++render_pass;
}
if ( Current_shader->flags & SDR_FLAG_MODEL_MISC_MAP ) {
Current_shader->program->Uniforms.setUniformi("sMiscmap", render_pass);
gr_opengl_tcache_set(material_info->get_texture_map(TM_MISC_TYPE), TCACHE_TYPE_NORMAL, &u_scale, &v_scale, render_pass);
++render_pass;
}
if ( Current_shader->flags & SDR_FLAG_MODEL_SHADOWS ) {
Current_shader->program->Uniforms.setUniformMatrix4f("shadow_mv_matrix", Shadow_view_matrix);
Current_shader->program->Uniforms.setUniformMatrix4fv("shadow_proj_matrix", MAX_SHADOW_CASCADES, Shadow_proj_matrix);
Current_shader->program->Uniforms.setUniformf("veryneardist", Shadow_cascade_distances[0]);
Current_shader->program->Uniforms.setUniformf("neardist", Shadow_cascade_distances[1]);
Current_shader->program->Uniforms.setUniformf("middist", Shadow_cascade_distances[2]);
Current_shader->program->Uniforms.setUniformf("fardist", Shadow_cascade_distances[3]);
Current_shader->program->Uniforms.setUniformi("shadow_map", render_pass);
GL_state.Texture.SetActiveUnit(render_pass);
GL_state.Texture.SetTarget(GL_TEXTURE_2D_ARRAY);
GL_state.Texture.Enable(Shadow_map_texture);
++render_pass; // bump!
}
if ( Current_shader->flags & SDR_FLAG_MODEL_SHADOW_MAP ) {
Current_shader->program->Uniforms.setUniformMatrix4fv("shadow_proj_matrix", MAX_SHADOW_CASCADES, Shadow_proj_matrix);
}
if ( Current_shader->flags & SDR_FLAG_MODEL_ANIMATED ) {
Current_shader->program->Uniforms.setUniformi("sFramebuffer", render_pass);
GL_state.Texture.SetActiveUnit(render_pass);
GL_state.Texture.SetTarget(GL_TEXTURE_2D);
if ( Scene_framebuffer_in_frame ) {
GL_state.Texture.Enable(Scene_effect_texture);
glDrawBuffer(GL_COLOR_ATTACHMENT0);
} else {
GL_state.Texture.Enable(Framebuffer_fallback_texture_id);
}
++render_pass;
}
if ( Current_shader->flags & SDR_FLAG_MODEL_TRANSFORM ) {
Current_shader->program->Uniforms.setUniformi("transform_tex", render_pass);
Current_shader->program->Uniforms.setUniformi("buffer_matrix_offset", (int)GL_transform_buffer_offset);
GL_state.Texture.SetActiveUnit(render_pass);
GL_state.Texture.SetTarget(GL_TEXTURE_BUFFER);
GL_state.Texture.Enable(opengl_get_transform_buffer_texture());
++render_pass;
}
// Team colors are passed to the shader here, but the shader needs to handle their application.
// By default, this is handled through the r and g channels of the misc map, but this can be changed
// in the shader; test versions of this used the normal map r and b channels
if ( Current_shader->flags & SDR_FLAG_MODEL_TEAMCOLOR ) {
team_color &tm_clr = material_info->get_team_color();
vec3d stripe_color;
vec3d base_color;
stripe_color.xyz.x = tm_clr.stripe.r;
stripe_color.xyz.y = tm_clr.stripe.g;
stripe_color.xyz.z = tm_clr.stripe.b;
base_color.xyz.x = tm_clr.base.r;
base_color.xyz.y = tm_clr.base.g;
base_color.xyz.z = tm_clr.base.b;
Current_shader->program->Uniforms.setUniform3f("stripe_color", stripe_color);
Current_shader->program->Uniforms.setUniform3f("base_color", base_color);
if ( bm_has_alpha_channel(material_info->get_texture_map(TM_MISC_TYPE)) ) {
Current_shader->program->Uniforms.setUniformi("team_glow_enabled", 1);
} else {
Current_shader->program->Uniforms.setUniformi("team_glow_enabled", 0);
}
}
if ( Current_shader->flags & SDR_FLAG_MODEL_THRUSTER ) {
Current_shader->program->Uniforms.setUniformf("thruster_scale", material_info->get_thrust_scale());
}
if ( Current_shader->flags & SDR_FLAG_MODEL_FOG ) {
material::fog fog_params = material_info->get_fog();
if ( fog_params.enabled ) {
Current_shader->program->Uniforms.setUniformf("fogStart", fog_params.dist_near);
Current_shader->program->Uniforms.setUniformf("fogScale", 1.0f / (fog_params.dist_far - fog_params.dist_near));
Current_shader->program->Uniforms.setUniform4f("fogColor", i2fl(fog_params.r) / 255.0f, i2fl(fog_params.g) / 255.0f, i2fl(fog_params.b) / 255.0f, 1.0f);
}
}
if ( Current_shader->flags & SDR_FLAG_MODEL_NORMAL_ALPHA ) {
Current_shader->program->Uniforms.setUniform2f("normalAlphaMinMax", material_info->get_normal_alpha_min(), material_info->get_normal_alpha_max());
}
if ( Current_shader->flags & SDR_FLAG_MODEL_NORMAL_EXTRUDE ) {
Current_shader->program->Uniforms.setUniformf("extrudeWidth", material_info->get_normal_extrude_width());
}
if ( Deferred_lighting ) {
// don't blend if we're drawing to the g-buffers
GL_state.SetAlphaBlendMode(ALPHA_BLEND_NONE);
}
}
