wip

1 files changed, 30 insertions, 118 deletions

diff --git a/src/junkcraft.c b/src/junkcraft.c
index 0d27175..d914973 100644
--- a/src/junkcraft.c
+++ b/src/junkcraft.c
@@ -3,130 +3,42 @@
 #include <SDL2/SDL_rect.h>
 #include <signal.h>
 #include <stdio.h>
-#include <stdlib.h>
-#include "SDL2/SDL.h"
-#include "SDL2/SDL_video.h"
 #include "SDL2/SDL_render.h"
 #include "glad/glad.h"
-
-const float vertices[] = {
-   0.0f,  0.5f,  0.0f, // x,y,z of first point.
-   0.5f, -0.5f,  0.0f, // x,y,z of second point.
-  -0.5f, -0.5f,  0.0f  // x,y,z of third point.
-};
-
-
-const char* fragment_shader =
-"#version 410 core\n"
-"out vec4 frag_colour;"
-"in vec3 color;"
-"void main() {"
-"  frag_colour = vec4( color, 1.0 );"
-"}";
-
-const char* vertex_shader =
-"#version 410 core\n"
-"in vec3 vp;"
-"out vec3 color;"
-"void main() {"
-"  gl_Position = vec4( vp, 1.0 );"
-"  color = vp;"
-"}";
-
-GLuint shader_init() {
-    GLuint vs = glCreateShader( GL_VERTEX_SHADER );
-glShaderSource( vs, 1, &vertex_shader, NULL );
-glCompileShader( vs );
-GLuint fs = glCreateShader( GL_FRAGMENT_SHADER );
-glShaderSource( fs, 1, &fragment_shader, NULL );
-glCompileShader( fs );
-GLuint shader_program = glCreateProgram();
-glAttachShader( shader_program, fs );
-glAttachShader( shader_program, vs );
-glLinkProgram( shader_program );
-return shader_program;
-}
-
-GLuint vbo;
-
-void quit(int _val) {
-    fprintf(stderr, "Quitting");
-    exit(1);
-}
-
-void gl_buffer_init() {
-    //tell opengl we want mem for 1 buffer object
-    glGenBuffers(1, &vbo);
-    // set aray_buffer to above
-    glBindBuffer(GL_ARRAY_BUFFER, vbo);
-    // copy vertex data to gpu memory
-    glBufferData(GL_ARRAY_BUFFER, 9* sizeof(float), vertices, GL_STATIC_DRAW);
-    // cleanup
-    glBindBuffer(GL_ARRAY_BUFFER, 0);
+#include "shader.h"
+#include "block.h"
+#include "window.h"
+
+// Global OpenGL Context
+GLuint shader_program; 
+int game_loop = 1;
+
+void draw(struct window* window, struct block* block) {
+    while (game_loop) {
+        SDL_Event event;
+        while (SDL_PollEvent(&event)) {
+            // Quit game
+            if (event.type == SDL_QUIT) {
+                game_loop = 0;
+            }
+        }
+        glClear(GL_COLOR_BUFFER_BIT);
+        glUseProgram(shader_program);
+        block_draw(block);
+        SDL_RenderPresent(window->renderer);
+    }
 }
 
 int main() {
-    signal(SIGINT, quit);
-    SDL_Init(SDL_INIT_VIDEO);
-    // This will call SDL_GL_LoadLibrary so you don't need glad to do anything
-    SDL_Window* window = SDL_CreateWindow("Junkcraft", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 800, 600, SDL_WINDOW_OPENGL);
-
-    SDL_GLContext* ctx = SDL_GL_CreateContext(window);
-    // Let GLAD use the SDL GetProcAddress loader instead of using its own
-    int version = gladLoadGLLoader(SDL_GL_GetProcAddress);
-        if (version == 0) {
-        printf("Failed to initialize OpenGL context\n");
+    struct window window = {0};
+    if (window_init(&window) != 0) {
         return -1;
     }
-    printf("Loaded OpenGL %d\n", version);
-
-
-    if (window == NULL) {
-        perror("Failed to create window!");
-        SDL_DestroyWindow(window);
-        SDL_Quit();
-        return -1;
-    }
-
-    SDL_Renderer* render = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
-    if (render == NULL) {
-        perror("Failed to create renderer!");
-        SDL_DestroyWindow(window);
-        SDL_Quit();
-        return -1;
-    }
-
-    // SDL_RenderClear(render);
-    // SDL_Rect rect = { 0, 0, 100, 100 };
-    // SDL_SetRenderDrawColor(render, 255, 0, 0, SDL_ALPHA_OPAQUE);
-    SDL_ShowWindow(window);
-    // SDL_RenderFillRect(render, &rect);
-
-
-    gl_buffer_init();
-
-    GLuint array;
-    // Create VAO
-    glGenVertexArrays(1, &array);
-    glBindVertexArray(array);
-    // set array_buffer to pos buffer obj
-    glBindBuffer(GL_ARRAY_BUFFER, vbo);
-    /// allow vertex shader
-    // describe data and enable
-    glEnableVertexAttribArray(0);
-    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, 0);
-    // draw data as a triangle
-    //glDrawArrays(GL_TRIANGLES, 0, 3);
-    // set viewport
-    //glViewport(0, 0, 200, 100);
-    //final
-    GLuint shader_program = shader_init();
-    while (1) {
-        glClear(GL_COLOR_BUFFER_BIT);
-        glUseProgram( shader_program );
-        glBindVertexArray(array);
-        glDrawArrays(GL_TRIANGLES, 0, 3);
-        SDL_RenderPresent(render);
-    }
+    struct block blk = {0};
+    vec3 pos = { 0, 0, 0 };
+    block_init(pos, &blk);
+    shader_program = shader_init();
+    draw(&window, &blk);
+    window_cleanup(&window);
     return 0;
 }