Did some lighting and added room name

5 files changed, 103 insertions, 8 deletions

@@ -86,6 +86,7 @@ int main()
   
   while (!quit)
   {
+    /*
     double currentTime = glfwGetTime();
          nbFrames++;
          if ( currentTime - lastTime >= 1.0 ){ // If last prinf() was more than 1 sec ago
@@ -93,7 +94,7 @@ int main()
              printf("%f ms/frame\n", 1000.0/double(nbFrames));
              nbFrames = 0;
              lastTime += 1.0;
-         }
+         }*/
     
     if (holding_left && player->x_vel >= 0)
     {
@@ -21,9 +21,9 @@ Map::Map()
   add_collision(GAME_WIDTH+6, 0, GAME_WIDTH, right, 1);
   
   FILE* f = fopen("../maps/bigmap.txt", "r");
-  char* mapbuf = (char*) malloc(MAP_WIDTH*MAP_HEIGHT*sizeof(char));
+  char* mapbuf = (char*) malloc(MAP_WIDTH*(MAP_HEIGHT-1)*sizeof(char));
   
-  for (int i=0; i<MAP_HEIGHT; i++)
+  for (int i=0; i<MAP_HEIGHT-1; i++)
   {
     fread(mapbuf + i*MAP_WIDTH, sizeof(char), MAP_WIDTH, f);
     fgetc(f);
@@ -35,7 +35,7 @@ Map::Map()
   bg = createTexture(GAME_WIDTH, GAME_HEIGHT);
   fillTexture(bg, NULL, 0, 0, 0);
   
-  for (int i=0; i<MAP_WIDTH*MAP_HEIGHT; i++)
+  for (int i=0; i<MAP_WIDTH*(MAP_HEIGHT-1); i++)
   {
     int x = i % MAP_WIDTH;
     int y = i / MAP_WIDTH;
@@ -78,6 +78,17 @@ Map::Map()
     }
   }
   
+  Texture* font = loadTextureFromBMP("../res/font.bmp");
+  const char* map_name = "Everything Is Embarassing";
+  int start_x = (40/2) - (strlen(map_name)/2);
+  for (int i=0; i<strlen(map_name); i++)
+  {
+    Rectangle srcRect(map_name[i] % 16 * 8, map_name[i] / 16 * 8, 8, 8);
+    Rectangle dstRect((start_x + i)*8, 24*8, 8, 8);
+    blitTexture(font, bg, &srcRect, &dstRect);
+  }
+  
+  destroyTexture(font);
   //destroyTexture(tiles);
 }
 
@@ -345,6 +345,36 @@ Texture* loadTextureFromBMP(char* filename)
   return tex;
 }
 
+void saveTextureToBMP(Texture* tex, char* filename)
+{
+  if (!rendererInitialized)
+  {
+    fprintf(stderr, "Renderer not initialized\n");
+    exit(-1);
+  }
+  
+  int size = 54 + 3*tex->width*tex->height;
+  
+  char* buf = (char*) calloc(size, sizeof(char));
+  buf[0x00] = 'B';
+  buf[0x01] = 'M';
+  *(int*)&(buf[0x0A]) = 54;
+  *(int*)&(buf[0x12]) = tex->width;
+  *(int*)&(buf[0x16]) = tex->height;
+  *(int*)&(buf[0x1C]) = 24;
+  *(int*)&(buf[0x1E]) = 0;
+  *(int*)&(buf[0x22]) = size;
+  
+  glBindTexture(GL_TEXTURE_2D, tex->texID);
+  glGetTexImage(GL_TEXTURE_2D, 0, GL_BGR, GL_UNSIGNED_BYTE, buf + 54);
+  
+  FILE* f = fopen(filename, "wb");
+  fwrite(buf, sizeof(char), size, f);
+  fclose(f);
+  
+  free(buf);
+}
+
 void fillTexture(Texture* tex, Rectangle* dstrect, int r, int g, int b)
 {
   if (!rendererInitialized)
@@ -478,15 +508,17 @@ void renderScreen(Texture* tex)
     exit(-1);
   }
   
-  // Set up framebuffer
+  // First we're going to composite our frame with the previous frame
+  // We start by setting up the framebuffer
   glBindFramebuffer(GL_FRAMEBUFFER, FramebufferName);
   glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, renderedTexBufs[curBuf], 0);
   
-  // Set up renderer
+  // Set up the shaer
   glViewport(0,0,GAME_WIDTH,GAME_HEIGHT);
   glClear(GL_COLOR_BUFFER_BIT);
   glUseProgram(ntscShader);
   
+  // Use the current frame texture, nearest neighbor and clamped to edge
   glActiveTexture(GL_TEXTURE0);
   glBindTexture(GL_TEXTURE_2D, tex->texID);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
@@ -495,6 +527,7 @@ void renderScreen(Texture* tex)
   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
   glUniform1i(glGetUniformLocation(ntscShader, "curFrameSampler"), 0);
   
+  // Use the previous frame composite texture, nearest neighbor and clamped to edge
   glActiveTexture(GL_TEXTURE1);
   glBindTexture(GL_TEXTURE_2D, renderedTexBufs[(curBuf + 1) % 2]);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
@@ -503,12 +536,13 @@ void renderScreen(Texture* tex)
   glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
   glUniform1i(glGetUniformLocation(ntscShader, "prevFrameSampler"), 1);
   
+  // Load the NTSC artifact texture
   glActiveTexture(GL_TEXTURE2);
   glBindTexture(GL_TEXTURE_2D, artifactsTex);
   glUniform1i(glGetUniformLocation(ntscShader, "NTSCArtifactSampler"), 2);
-  
   glUniform1f(glGetUniformLocation(ntscShader, "NTSCLerp"), curBuf * 1.0);
   
+  // Load the vertices of a flat surface
   GLfloat g_quad_vertex_buffer_data[] = { 
                 -1.0f, -1.0f, 0.0f,
                  1.0f, -1.0f, 0.0f,
@@ -523,11 +557,13 @@ void renderScreen(Texture* tex)
   glBindBuffer(GL_ARRAY_BUFFER, quad_vertexbuffer);
   glBufferData(GL_ARRAY_BUFFER, sizeof(g_quad_vertex_buffer_data), g_quad_vertex_buffer_data, GL_STATIC_DRAW);
   
+  // Render our composition
   glEnableVertexAttribArray(0);
   glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, (void*)0);
   glDrawArrays(GL_TRIANGLES, 0, 6);
   glDisableVertexAttribArray(0);
-  
+
+  // Load the normal vertices of a flat surface
   GLfloat g_norms_data[] = {
     0.0f, 0.0f, 1.0f,
     0.0f, 0.0f, 1.0f,
@@ -542,10 +578,13 @@ void renderScreen(Texture* tex)
   glBindBuffer(GL_ARRAY_BUFFER, g_norms);
   glBufferData(GL_ARRAY_BUFFER, sizeof(g_norms_data), g_norms_data, GL_STATIC_DRAW);
   
+  // We're going to output to the window now
   glBindFramebuffer(GL_FRAMEBUFFER, 0);
   glViewport(0,0,1024,768);
   glClear(GL_COLOR_BUFFER_BIT);
   glUseProgram(finalShader);
+  
+  // Use the composited frame texture, linearly filtered and filling in black for the border
   glActiveTexture(GL_TEXTURE0);
   glBindTexture(GL_TEXTURE_2D, renderedTexBufs[curBuf]);
         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
@@ -557,10 +596,20 @@ void renderScreen(Texture* tex)
         glGenerateMipmap(GL_TEXTURE_2D);
   glUniform1i(glGetUniformLocation(finalShader, "rendertex"), 0);
   
+  // Use the scanlines texture
   glActiveTexture(GL_TEXTURE1);
   glBindTexture(GL_TEXTURE_2D, scanlinesTex);
   glUniform1i(glGetUniformLocation(finalShader, "scanlinestex"), 1);
   
+  // Initialize the MVP matrices
+  mat4 p_matrix = perspective(90.0f, 4.0f / 4.0f, 0.1f, 100.0f);
+  mat4 v_matrix = lookAt(vec3(0,0,1), vec3(0,0,0), vec3(0,1,0));
+  mat4 m_matrix = mat4(1.0f);
+  mat4 mvp_matrix = p_matrix * v_matrix * m_matrix;
+  
+  glUniformMatrix4fv(glGetUniformLocation(finalShader, "MVP"), 1, GL_FALSE, &mvp_matrix[0][0]);
+  glUniformMatrix4fv(glGetUniformLocation(finalShader, "worldMat"), 1, GL_FALSE, &m_matrix[0][0]);
+  
   glEnableVertexAttribArray(0);
   glBindBuffer(GL_ARRAY_BUFFER, quad_vertexbuffer);
   glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 0, (void*)0);
@@ -1,6 +1,7 @@
 #include <GL/glew.h>
 #include <GLFW/glfw3.h>
 #include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
 
 using namespace glm;
 
@@ -35,6 +36,7 @@ void destroyRenderer();
 Texture* createTexture(int width, int height);
 void destroyTexture(Texture* tex);
 Texture* loadTextureFromBMP(char* filename);
+void saveTextureToBMP(Texture* tex, char* filename);
 void fillTexture(Texture* tex, Rectangle* loc, int r, int g, int b);
 void blitTexture(Texture* srctex, Texture* dsttex, Rectangle* srcrect, Rectangle* dstrect);
 void renderScreen(Texture* tex);
@@ -0,0 +1,32 @@
+#include "renderer.h"
+#include <cstdio>
+
+#define min(x,y) ((x) > (y) ? (y) : (x))
+
+int main()
+{
+  initRenderer();
+  
+  Texture* palette = createTexture(128, 128);
+  fillTexture(palette, NULL, 0, 0, 0);
+  
+  Texture* wrong = loadTextureFromBMP("../res/arcadepix_regular_8.bmp");
+  
+  FILE* desc = fopen("../res/arcadepix_regular_8.sfl", "r");
+  while (!feof(desc))
+  {
+    int ch;
+    Rectangle srcRect;
+    
+    fscanf(desc, "%d %d %d %d %d %*d %*d %*d \n", &ch, &(srcRect.x), &(srcRect.y), &(srcRect.w), &(srcRect.h));
+    
+    Rectangle dstRect(ch % 16 * 8, ch / 16 * 8 + (8 - min(srcRect.h,8)), min(srcRect.w, 8), min(srcRect.h, 8));
+    blitTexture(wrong, palette, &srcRect, &dstRect);
+  }
+  
+  fclose(desc);
+  
+  saveTextureToBMP(palette, "tex.bmp");
+  
+  destroyRenderer();
+}