nuclear@0: #ifndef __APPLE__
nuclear@0: #include <GL/gl.h>
nuclear@0: #else
nuclear@0: #include <OpenGL/gl.h>
nuclear@0: #endif
nuclear@0: 
nuclear@0: #include "psys_impl.h"
nuclear@0: 
nuclear@0: void psys_gl_draw_start(struct psys_emitter *em, void *cls)
nuclear@0: {
nuclear@0: 	float xform[16];
nuclear@0: 
nuclear@0: 	glMatrixMode(GL_MODELVIEW);
nuclear@0: 	glPushMatrix();
nuclear@0: 
nuclear@0: 	glGetFloatv(GL_MODELVIEW_MATRIX, xform);
nuclear@0: 	xform[3] = xform[7] = xform[11] = xform[12] = xform[13] = xform[14] = 0.0f;
nuclear@0: 	xform[15] = 1.0f;
nuclear@0: 
nuclear@0: 	glLoadMatrixf(xform);
nuclear@0: 
nuclear@0: 	glPushAttrib(GL_ENABLE_BIT);
nuclear@0: 	glDisable(GL_LIGHTING);
nuclear@0: 
nuclear@0: 	glDepthMask(0);
nuclear@0: 
nuclear@0: 	glBegin(GL_QUADS);
nuclear@0: 	glColor3f(1, 1, 1);
nuclear@0: }
nuclear@0: 
nuclear@0: void psys_gl_draw(struct psys_emitter *em, struct psys_particle *p, void *cls)
nuclear@0: {
nuclear@0: 	float hsz = p->size / 2.0;
nuclear@0: 
nuclear@0: 	glTexCoord2f(0, 0);
nuclear@0: 	glVertex3f(p->pos.x - hsz, p->pos.y - hsz, p->pos.z);
nuclear@0: 
nuclear@0: 	glTexCoord2f(1, 0);
nuclear@0: 	glVertex3f(p->pos.x + hsz, p->pos.y - hsz, p->pos.z);
nuclear@0: 
nuclear@0: 	glTexCoord2f(1, 1);
nuclear@0: 	glVertex3f(p->pos.x + hsz, p->pos.y + hsz, p->pos.z);
nuclear@0: 
nuclear@0: 	glTexCoord2f(0, 1);
nuclear@0: 	glVertex3f(p->pos.x - hsz, p->pos.y + hsz, p->pos.z);
nuclear@0: }
nuclear@0: 
nuclear@0: void psys_gl_draw_end(struct psys_emitter *em, void *cls)
nuclear@0: {
nuclear@0: 	glEnd();
nuclear@0: 
nuclear@0: 	glDepthMask(1);
nuclear@0: 	glPopAttrib();
nuclear@0: 
nuclear@0: 	glMatrixMode(GL_MODELVIEW);
nuclear@0: 	glPopMatrix();
nuclear@0: }