void load_all_tiles()
{
int i;
int cur_text;
char str[80];
for(i=0;i<255;i++)
{
sprintf(str,"./3dobjects/tile%i.dds",i);
if(is_water_tile(i) && is_reflecting(i)) cur_text=load_texture_cache(str,70);
else cur_text=load_texture_cache(str,255);
if(cur_text==-1)return;
tile_list[i]=cur_text;
tiles_no=i;
#ifdef OLD_TEXTURE_LOADER
//map_tiles[i].img=load_bmp8_color_key_no_texture_img(str,map_tiles+i,255);
load_bmp8_texture(str,map_tiles+i,255);
#else //OLD_TEXTURE_LOADER
load_texture(str,map_tiles+i,255);
#endif //OLD_TEXTURE_LOADER
}
map_tiles[255].texture=NULL;
}
void draw_tile_map()
{
int x_start,x_end,y_start,y_end;
int x,y;
float x_scaled,y_scaled;
//get only the tiles around the camera
//we have the axes inverted, btw the go from 0 to -255
if(camera_x<0)x=(int)(camera_x*-1)/3;
else x=(int)camera_x/3;
if(camera_y<0)y=(int)(camera_y*-1)/3;
else y=(int)camera_y/3;
x_start=x-(int)zoom_level;
y_start=y-(int)zoom_level;
x_end=x+(int)zoom_level;
y_end=y+(int)zoom_level;
if(x_start<0)x_start=0;
if(x_end>=tile_map_size_x)x_end=tile_map_size_x-1;
if(y_start<0)y_start=0;
if(y_end>=tile_map_size_y)y_end=tile_map_size_y-1;
if(!have_multitexture || poor_man)
{
for(y=y_start;y<=y_end;y++)
{
y_scaled=y*3.0f;
for(x=x_start;x<=x_end;x++)
{
x_scaled=x*3.0f;
if(is_water_tile(tile_map[y*tile_map_size_x+x]))continue;//lake, skip
if(tile_map[y*tile_map_size_x+x]==255){
/*glDisable(GL_TEXTURE_2D);
glDisable(GL_LIGHTING);
glBegin(GL_QUADS);
glColor3f(0.2,0.2,0.2);
glVertex3f(x_scaled,y_scaled+3, -3.0f);
glVertex3f(x_scaled,y_scaled, -3.0f);
glVertex3f(x_scaled+3, y_scaled,-3.0f);
glVertex3f(x_scaled+3, y_scaled+3,-3.0f);
glColor3f(1.0,1.0,1.0);
glEnd();
glEnable(GL_LIGHTING);
glEnable(GL_TEXTURE_2D);*/
continue;
}//null, skip
bind_texture(tile_list[tile_map[y*tile_map_size_x+x]]);
glBegin(GL_QUADS);
glTexCoord2f(0, 0.0f);
glVertex3f(x_scaled,y_scaled+3, 0.0f);
glTexCoord2f(0, 1.0f);
glVertex3f(x_scaled,y_scaled, 0.0f);
glTexCoord2f(1.0f, 1.0f);
glVertex3f(x_scaled+3, y_scaled,0.0f);
glTexCoord2f(1.0f, 0.0f);
glVertex3f(x_scaled+3, y_scaled+3,0.0f);
glEnd();
}
}
}
else//we draw the ground details
{
//bind the detail texture
glActiveTextureARB(GL_TEXTURE1_ARB);
glEnable(GL_TEXTURE_2D);
bind_texture_unbuffered(ground_detail_text);
glActiveTextureARB(GL_TEXTURE0_ARB);
glEnable(GL_TEXTURE_2D);
for(y=y_start;y<=y_end;y++)
{
y_scaled=y*3.0f;
for(x=x_start;x<=x_end;x++)
{
x_scaled=x*3.0f;
if(is_water_tile(tile_map[y*tile_map_size_x+x]))continue;//lake, skip
if(tile_map[y*tile_map_size_x+x]==255){
/*glDisable(GL_TEXTURE_2D);
glDisable(GL_LIGHTING);
glBegin(GL_QUADS);
glColor3f(0.2,0.2,0.2);
glVertex3f(x_scaled,y_scaled+3, -3.0f);
glVertex3f(x_scaled,y_scaled, -3.0f);
glVertex3f(x_scaled+3, y_scaled,-3.0f);
glVertex3f(x_scaled+3, y_scaled+3,-3.0f);
glColor3f(1.0,1.0,1.0);
glEnd();
glEnable(GL_LIGHTING);
glEnable(GL_TEXTURE_2D);*/
continue;
}//null, skip
bind_texture(tile_list[tile_map[y*tile_map_size_x+x]]);
//draw our normal tile
glBegin(GL_QUADS);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB,0, 0.0f);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB,x_scaled/texture_scale+clouds_movement_u, (y_scaled+3.0)/texture_scale+clouds_movement_v);
glVertex3f(x_scaled,y_scaled+3, 0.0f);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB,0, 1.0f);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB,x_scaled/texture_scale+clouds_movement_u, y_scaled/texture_scale+clouds_movement_v);
glVertex3f(x_scaled,y_scaled, 0.0f);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB,1.0f, 1.0f);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB,(x_scaled+3.0f)/texture_scale+clouds_movement_u, y_scaled/texture_scale+clouds_movement_v);
glVertex3f(x_scaled+3, y_scaled,0.0f);
glMultiTexCoord2fARB(GL_TEXTURE0_ARB,1.0f, 0.0f);
glMultiTexCoord2fARB(GL_TEXTURE1_ARB,(x_scaled+3.0)/texture_scale+clouds_movement_u, (y_scaled+3.0)/texture_scale+clouds_movement_v);
glVertex3f(x_scaled+3, y_scaled+3,0.0f);
glEnd();
}
}
//disable the second texture unit
glActiveTextureARB(GL_TEXTURE1_ARB);
glDisable(GL_TEXTURE_2D);
glActiveTextureARB(GL_TEXTURE0_ARB);
}
}
