From ebc03fd33fb808db47e47c2426ee6f6879721d4a Mon Sep 17 00:00:00 2001
From: epoch <epoch@hacking.allowed.org>
Date: Sat, 7 Jan 2017 14:37:12 -0600
Subject: more crap that still doesn't work right.

---
 src/graphics_opengl.c | 157 ++++++++++++++++++++++++++++++++------------------
 1 file changed, 102 insertions(+), 55 deletions(-)

(limited to 'src')

diff --git a/src/graphics_opengl.c b/src/graphics_opengl.c
index 9e200de..fd079cf 100644
--- a/src/graphics_opengl.c
+++ b/src/graphics_opengl.c
@@ -1,96 +1,143 @@
-
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <GL/glut.h>
+#include <GL/freeglut_ext.h>
+
+#include "common.h"
 
 GLenum doubleBuffer;
 GLubyte ubImage[65536];
 
+void set_aspect_ratio(int w,int h) {
+  glViewport(0,0,w,h);
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  glOrtho(0,w,0,h,-1,1);
+//  glScalef(1,-1,1);
+//  glTranslatef(0,-h,0);
+}
+
+void set_color_based_on_distance(real d) {
+ //scale this color based on distance... closer is lighter.
+// float g;
+// g=d/100.0
+ glColor3f(0.0, 1.0, 0.0);
+}
+
+void set_clipping_rectangle(int x,int y,int w,int h) {
+
+}
+
 void draw_cs_line(cs_t p1,cs_t p2) {
- 
+ glBegin(GL_LINES);
+ glColor3f(0.0, 1.0, 0.0);
+ glVertex2i(p1.x,p1.y);
+ glVertex2i(p2.x,p2.y);
+ glEnd();
 }
 
 void draw_cs_text() {
+ 
+}
 
+void draw_cs_shape(cs_s_t s) {
+  int i;
+  for(i=0;i<s.len+(s.len==1);i++) {//this shape is closed!
+    draw_cs_line(s.p[i],s.p[(i+1)%(s.len+(s.len==1))]);
+  }
+/*  glBegin(GL_LINE_STRIP);
+  glColor3f(0.0, 1.0, 0.0);
+  for(i=0;i<s.len+(s.len==1);i++) {
+    glVertex2i(s.p[i].x,s.p[i].y);
+  }
+  glEnd();
+*/
 }
 
-void draw_c3_shape() {
- //oh lawdy... this should be draw_cs_shape...
+void draw_cs_filled_shape(cs_s_t s) {
+  draw_cs_shape(s);
+//  glBegin(GL_POLYGON);
+//  glVertex2s();
+//  glEnd();
 }
 
-static void
-graphics_init(void)
-{
-  GLenum type;
-  int j;
-  GLubyte *img;
-  GLsizei imgWidth = 128;
-
-  type = GLUT_RGB;
-  type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
-  glutInitDisplayMode(type);
-  glutCreateWindow("ABGR extension");
-  if (!glutExtensionSupported("GL_EXT_abgr")) {
-    printf("Couldn't find abgr extension.\n");
-    exit(0);
-  }
+void set_color() {
+ glColor3f(0.0, 1.0, 0.0);
+}
 
-  glMatrixMode(GL_PROJECTION);
-  glLoadIdentity();
-  gluPerspective(60.0, 1.0, 0.1, 1000.0);
-  glMatrixMode(GL_MODELVIEW);
-  glDisable(GL_DITHER);
+void clear_backbuffer() {
+  glClearColor(0.0, 0.0, 0.0, 1.0);
+  glClear(GL_COLOR_BUFFER_BIT);
+}
 
-  glutKeyboardFunc(keypress_handler);
-  glutDisplayFunc(draw_screen);
+void flipscreen() {
+//  glutSwapBuffers();
+  glFlush();
+}
+
+void red_and_blue_magic() {
 
 }
 
-/* ARGSUSED1 */
-static void
-keypress_handler(unsigned char key, int x, int y)
-{
+void keypress_handler(unsigned char key, int x, int y) {
   switch (key) {
   case 27:
     exit(0);
   }
 }
 
-static void draw_screen(void)
+/* draw_screen is in graphics.c
+void draw_screen(void)
 {
 
-  glClearColor(0.0, 0.0, 0.0, 1.0);
-  glClear(GL_COLOR_BUFFER_BIT);
 
+}*/
 
-  glRasterPos3f(0.2, -0.8, -1.5);
-  glDrawPixels(128, 128, GL_RGBA, GL_UNSIGNED_BYTE, ubImage);
 
-  if (doubleBuffer) {
-    glutSwapBuffers();
-  } else {
-    glFlush();
-  }
-}
+/*void derp_screen() {
+  glClear(GL_COLOR_BUFFER_BIT);
+
+  draw_cs_line((cs_t){0,10},(cs_t){200,210});
+
+// clear_backbuffer();
+// set_color();
+ flipscreen();
+}*/
 
-static void
-Args(int argc, char **argv)
+void graphics_init(void)
 {
-  GLint i;
+//  GLenum type;
 
-  doubleBuffer = GL_TRUE;
+//  type = GLUT_RGB;
+//  type |= GLUT_DOUBLE;
+  int argc=0;
+  char *argv[]={"derp",0};
+  glutInit(&argc,argv);
+//  glutInitDisplayMode(type);
+  glutCreateWindow("hackvr opengl and glut testing");
 
-  for (i = 1; i < argc; i++) {
-    if (strcmp(argv[i], "-sb") == 0) {
-      doubleBuffer = GL_FALSE;
-    } else if (strcmp(argv[i], "-db") == 0) {
-      doubleBuffer = GL_TRUE;
-    }
-  }
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity();
+  gluPerspective(60.0, 1.0, 0.1, 1000.0);
+  glMatrixMode(GL_MODELVIEW);
+  glDisable(GL_DITHER);
+
+  glutKeyboardFunc(keypress_handler);
+//  glutDisplayFunc(derp_screen);
+  glutReshapeFunc(set_aspect_ratio);
 }
 
+
 void graphics_event_handler() {
-  glutMainLoopUpdate();
-  return 0;             /* ANSI C requires main to return int. */
+  glutMainLoopEvent();
+}
+
+/*
+void main(int argc,char *argv[]) {
+  graphics_init();
+  while(1) {
+    graphics_event_handler();
+  }
 }
+*/
-- 
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