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(Glitch64) drawing rectangles from vector form of vertices

This commit is contained in:
unknown 2015-03-02 20:46:49 -05:00
parent f5b58e17a1
commit bf5c842bb5
1 changed files with 28 additions and 10 deletions
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38
Source/Glitch64/main.cpp
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@ -1786,26 +1786,44 @@ static void render_rectangle(int texture_number,
int src_width, int src_height,
int tex_width, int tex_height, int invert)
{
GLfloat planar_vertex[2];
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBegin(GL_QUADS);
glMultiTexCoord2fARB(texture_number, 0.0f, 0.0f);
glVertex2f(((int)dst_x - widtho) / (float)(width/2),
invert*-((int)dst_y - heighto) / (float)(height/2));
planar_vertex[0] = ((int)dst_x - widtho) / (float)(width / 2);
planar_vertex[1] = -((int)dst_y - heighto) / (float)(height / 2) * invert;
glVertex2fv(planar_vertex);
glMultiTexCoord2fARB(texture_number, 0.0f, (float)src_height / (float)tex_height);
glVertex2f(((int)dst_x - widtho) / (float)(width/2),
invert*-((int)dst_y + (int)src_height - heighto) / (float)(height/2));
planar_vertex[0] = ((int)dst_x - widtho) / (float)(width / 2);
planar_vertex[1] = -((int)dst_y + (int)src_height - heighto) / (float)(height / 2) * invert;
glVertex2fv(planar_vertex);
glMultiTexCoord2fARB(texture_number, (float)src_width / (float)tex_width, (float)src_height / (float)tex_height);
glVertex2f(((int)dst_x + (int)src_width - widtho) / (float)(width/2),
invert*-((int)dst_y + (int)src_height - heighto) / (float)(height/2));
planar_vertex[0] = ((int)dst_x + (int)src_width - widtho) / (float)(width / 2);
planar_vertex[1] = -((int)dst_y + (int)src_height - heighto) / (float)(height / 2) * invert;
glVertex2fv(planar_vertex);
glMultiTexCoord2fARB(texture_number, (float)src_width / (float)tex_width, 0.0f);
glVertex2f(((int)dst_x + (int)src_width - widtho) / (float)(width/2),
invert*-((int)dst_y - heighto) / (float)(height/2));
planar_vertex[0] = ((int)dst_x + (int)src_width - widtho) / (float)(width / 2);
planar_vertex[1] = -((int)dst_y - heighto) / (float)(height / 2) * invert;
glVertex2fv(planar_vertex);
glMultiTexCoord2fARB(texture_number, 0.0f, 0.0f);
glVertex2f(((int)dst_x - widtho) / (float)(width/2),
invert*-((int)dst_y - heighto) / (float)(height/2));
planar_vertex[0] = ((int)dst_x - widtho) / (float)(width / 2);
planar_vertex[1] = -((int)dst_y - heighto) / (float)(height / 2) * invert;
glVertex2fv(planar_vertex);
glEnd();
compile_shader();