index error swept away 2h

.vscode/settings.json

@@ -17,6 +17,9 @@
         "entities.h": "c",
         "menus.h": "c",
         "structure.h": "c",
-        "limits.h": "c"
+        "limits.h": "c",
+        "png.h": "c",
+        "stdlib.h": "c",
+        "stb_image.h": "c"
     }
 }

Makefile

@@ -1,6 +1,6 @@
 CC = gcc
 FLAGS = -Wall -Wextra -g
-LFLAGS = -lm src/glad.c -ldl -lglfw -lcglm 
+LFLAGS = -lm src/glad.c -ldl -lglfw -lcglm -lpng -lSOIL
 
 all: bin/back
 

src/base.c

@@ -9,7 +9,6 @@
 #include <time.h>
 
 #include "hash.h"
-#include "structure.h"
 #include "base.h"
 
 int ln_baseN(int n, int b) {

src/bullets.c

@@ -9,7 +9,6 @@
 #include <time.h>
 
 #include "hash.h"
-#include "structure.h"
 #include "base.h"
 #include "move.h"
 #include "entities.h"

src/display.c

@@ -12,7 +12,6 @@
 #include <cglm/cglm.h>
 
 #include "hash.h"
-#include "structure.h"
 #include "base.h"
 #include "move.h"
 #include "menus.h"
@@ -27,12 +26,13 @@ int MAX_SIZE = 8192 ;
 
 int* drawOrder ;
 
-GLint loc_scale;
+int loc_scale;
-GLint loc_model;
+int loc_model;
-GLint loc_view;
+int loc_view;
-GLint loc_proj;
+int loc_proj;
 
-GLint loc_frag;
+int loc_frag;
+int loc_tex;
 
 void init_draworder() {
     drawOrder = malloc(sizeof(int)*6) ;
@@ -79,51 +79,51 @@ double right = 1.0 ;
 
 mat4 model, view, projection;
 mat4 scale;
-float vertices[108];
+float vertices[180];
 
 // -x ; +x ; -y ; +y ; -z ; +z //
 void init_vertices() {
-    vertices[0] = -0.5f; vertices[1] = -0.5f; vertices[2] = -0.5f;
+    vertices[0] = -0.5f; vertices[1] = -0.5f; vertices[2] = -0.5f; vertices[3] = 0.0; vertices[4] = 1.0;
-    vertices[3] = -0.5f; vertices[4] =  0.5f; vertices[5] = -0.5f;
+    vertices[5] = -0.5f; vertices[6] =  0.5f; vertices[7] = -0.5f; vertices[8] = 0.0; vertices[9] = 0.0;
-    vertices[6] = -0.5f; vertices[7] =  0.5f; vertices[8] =  0.5f;
+    vertices[10] = -0.5f; vertices[11] =  0.5f; vertices[12] =  0.5f; vertices[13] = 1.0; vertices[14] = 0.0;
-    vertices[9] = -0.5f; vertices[10] = -0.5f; vertices[11] = -0.5f;
+    vertices[15] = -0.5f; vertices[16] = -0.5f; vertices[17] = -0.5f; vertices[18] = 0.0; vertices[19] = 1.0;
-    vertices[12] = -0.5f; vertices[13] =  0.5f; vertices[14] =  0.5f;
+    vertices[20] = -0.5f; vertices[21] =  0.5f; vertices[22] =  0.5f; vertices[23] = 1.0; vertices[24] = 0.0;
-    vertices[15] = -0.5f; vertices[16] = -0.5f; vertices[17] =  0.5f;
+    vertices[25] = -0.5f; vertices[26] = -0.5f; vertices[27] =  0.5f; vertices[28] = 1.0; vertices[29] = 1.0;
 
-    vertices[18] =  0.5f; vertices[19] = -0.5f; vertices[20] = -0.5f;
+    vertices[30] =  0.5f; vertices[31] = -0.5f; vertices[32] = -0.5f; vertices[33] = 1.0; vertices[34] = 1.0;
-    vertices[21] =  0.5f; vertices[22] =  0.5f; vertices[23] =  0.5f;
+    vertices[35] =  0.5f; vertices[36] =  0.5f; vertices[37] =  0.5f; vertices[38] = 0.0; vertices[39] = 0.0;
-    vertices[24] =  0.5f; vertices[25] =  0.5f; vertices[26] = -0.5f;
+    vertices[40] =  0.5f; vertices[41] =  0.5f; vertices[42] = -0.5f; vertices[43] = 1.0; vertices[44] = 0.0;
-    vertices[27] =  0.5f; vertices[28] = -0.5f; vertices[29] = -0.5f;
+    vertices[45] =  0.5f; vertices[46] = -0.5f; vertices[47] = -0.5f; vertices[48] = 1.0; vertices[49] = 1.0;
-    vertices[30] =  0.5f; vertices[31] = -0.5f; vertices[32] =  0.5f;
+    vertices[50] =  0.5f; vertices[51] = -0.5f; vertices[52] =  0.5f; vertices[53] = 0.0; vertices[54] = 1.0;
-    vertices[33] =  0.5f; vertices[34] =  0.5f; vertices[35] =  0.5f;
+    vertices[55] =  0.5f; vertices[56] =  0.5f; vertices[57] =  0.5f; vertices[58] = 0.0; vertices[59] = 0.0;
 
-    vertices[36] = -0.5f; vertices[37] = -0.5f; vertices[38] = -0.5f;
+    vertices[60] = -0.5f; vertices[61] = -0.5f; vertices[62] = -0.5f; vertices[63] = 0.0; vertices[64] = 1.0;
-    vertices[39] =  0.5f; vertices[40] = -0.5f; vertices[41] =  0.5f;
+    vertices[65] =  0.5f; vertices[66] = -0.5f; vertices[67] =  0.5f; vertices[68] = 1.0; vertices[69] = 0.0;
-    vertices[42] =  0.5f; vertices[43] = -0.5f; vertices[44] = -0.5f;
+    vertices[70] =  0.5f; vertices[71] = -0.5f; vertices[72] = -0.5f; vertices[73] = 0.0; vertices[74] = 0.0;
-    vertices[45] = -0.5f; vertices[46] = -0.5f; vertices[47] = -0.5f;
+    vertices[75] = -0.5f; vertices[76] = -0.5f; vertices[77] = -0.5f; vertices[78] = 0.0; vertices[79] = 1.0;
-    vertices[48] = -0.5f; vertices[49] = -0.5f; vertices[50] =  0.5f;
+    vertices[80] = -0.5f; vertices[81] = -0.5f; vertices[82] =  0.5f; vertices[83] = 1.0; vertices[84] = 1.0;
-    vertices[51] =  0.5f; vertices[52] = -0.5f; vertices[53] =  0.5f;
+    vertices[85] =  0.5f; vertices[86] = -0.5f; vertices[87] =  0.5f; vertices[88] = 1.0; vertices[89] = 0.0;
 
-    vertices[54] = -0.5f; vertices[55] =  0.5f; vertices[56] = -0.5f;
+    vertices[90] = -0.5f; vertices[91] =  0.5f; vertices[92] = -0.5f; vertices[93] = 1.0; vertices[94] = 1.0;
-    vertices[57] =  0.5f; vertices[58] =  0.5f; vertices[59] = -0.5f;
+    vertices[95] =  0.5f; vertices[96] =  0.5f; vertices[97] = -0.5f; vertices[98] = 1.0; vertices[99] = 0.0;
-    vertices[60] =  0.5f; vertices[61] =  0.5f; vertices[62] =  0.5f;
+    vertices[100] =  0.5f; vertices[101] =  0.5f; vertices[102] =  0.5f; vertices[103] = 0.0; vertices[104] = 0.0;
-    vertices[63] = -0.5f; vertices[64] =  0.5f; vertices[65] = -0.5f;
+    vertices[105] = -0.5f; vertices[106] =  0.5f; vertices[107] = -0.5f; vertices[108] = 1.0; vertices[109] = 1.0;
-    vertices[66] =  0.5f; vertices[67] =  0.5f; vertices[68] =  0.5f;
+    vertices[110] =  0.5f; vertices[111] =  0.5f; vertices[112] =  0.5f; vertices[113] = 0.0; vertices[114] = 0.0;
-    vertices[69] = -0.5f; vertices[70] =  0.5f; vertices[71] =  0.5f;
+    vertices[115] = -0.5f; vertices[116] =  0.5f; vertices[117] =  0.5f; vertices[118] = 0.0; vertices[119] = 1.0;
 
-    vertices[72] = -0.5f; vertices[73] = -0.5f; vertices[74] = -0.5f;
+    vertices[120] = -0.5f; vertices[121] = -0.5f; vertices[122] = -0.5f; vertices[123] = 1.0; vertices[124] = 1.0;
-    vertices[75] =  0.5f; vertices[76] = -0.5f; vertices[77] = -0.5f;
+    vertices[125] =  0.5f; vertices[126] = -0.5f; vertices[127] = -0.5f; vertices[128] = 0.0; vertices[129] = 1.0;
-    vertices[78] =  0.5f; vertices[79] =  0.5f; vertices[80] = -0.5f;
+    vertices[130] =  0.5f; vertices[131] =  0.5f; vertices[132] = -0.5f; vertices[133] = 0.0; vertices[134] = 0.0;
-    vertices[81] = -0.5f; vertices[82] = -0.5f; vertices[83] = -0.5f;
+    vertices[135] = -0.5f; vertices[136] = -0.5f; vertices[137] = -0.5f; vertices[138] = 1.0; vertices[139] = 1.0;
-    vertices[84] =  0.5f; vertices[85] =  0.5f; vertices[86] = -0.5f;
+    vertices[140] =  0.5f; vertices[141] =  0.5f; vertices[142] = -0.5f; vertices[143] = 0.0; vertices[144] = 0.0;
-    vertices[87] = -0.5f; vertices[88] =  0.5f; vertices[89] = -0.5f;
+    vertices[145] = -0.5f; vertices[146] =  0.5f; vertices[147] = -0.5f; vertices[148] = 1.0; vertices[149] = 0.0;
 
-    vertices[90] = -0.5f; vertices[91] = -0.5f; vertices[92] =  0.5f;
+    vertices[150] = -0.5f; vertices[151] = -0.5f; vertices[152] =  0.5f; vertices[153] = 0.0; vertices[154] = 1.0;
-    vertices[93] =  0.5f; vertices[94] =  0.5f; vertices[95] =  0.5f;
+    vertices[155] =  0.5f; vertices[156] =  0.5f; vertices[157] =  0.5f; vertices[158] = 1.0; vertices[159] = 0.0;
-    vertices[96] =  0.5f; vertices[97] = -0.5f; vertices[98] =  0.5f;
+    vertices[160] =  0.5f; vertices[161] = -0.5f; vertices[162] =  0.5f; vertices[163] = 1.0; vertices[164] = 1.0;
-    vertices[99] = -0.5f; vertices[100] = -0.5f; vertices[101] =  0.5f;
+    vertices[165] = -0.5f; vertices[166] = -0.5f; vertices[167] =  0.5f; vertices[168] = 0.0; vertices[169] = 1.0;
-    vertices[102] = -0.5f; vertices[103] =  0.5f; vertices[104] =  0.5f;
+    vertices[170] = -0.5f; vertices[171] =  0.5f; vertices[172] =  0.5f; vertices[173] = 0.0; vertices[174] = 0.0;
-    vertices[105] =  0.5f; vertices[106] =  0.5f; vertices[107] =  0.5f;
+    vertices[175] =  0.5f; vertices[176] =  0.5f; vertices[177] =  0.5f; vertices[178] = 1.0; vertices[179] = 0.0;
 }
 
 void gl_renderCube(unsigned int shaderProgram, unsigned int fragmentShader, unsigned int VAO, unsigned int VBO, cube_0* c, double offx, double offy, double offz) {
@@ -144,6 +144,7 @@ void gl_renderCube(unsigned int shaderProgram, unsigned int fragmentShader, unsi
     glUniform4f(loc_frag, c->red/255.0f, c->green/255.0f, c->blue/255.0f, 1.0f);
 
     glDrawArrays(GL_TRIANGLES, 0, 36);
+    //glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_INT, 0);
     triCount += 12;
 }
 
@@ -162,6 +163,8 @@ bool is_visible(cube_0* cb, double offx, double offy, double offz) {
 
 void gl_renderAll(unsigned int shaderProgram, unsigned int fragmentShader, unsigned int VAO, unsigned int VBO, room* rtd, double offx, double offy, double offz) {
     if(rtd != NULL) {
+        glActiveTexture(GL_TEXTURE0);
+        glBindTexture(GL_TEXTURE_2D, textures[0]);
         for(int k = 0; k < rtd->map_size; k++) {
             if(is_visible(rtd->map[k], offx, offy, offz)) {
                 gl_renderCube(shaderProgram, fragmentShader, VAO, VBO, rtd->map[k], offx, offy, offz);
@@ -174,6 +177,8 @@ void gl_renderAll(unsigned int shaderProgram, unsigned int fragmentShader, unsig
         }
         for(int k = 0; k < rtd->ent_len; k++) {
             if(is_visible(rtd->ents[k]->pos, offx, offy, offz)) {
+                //printf("%d\n", rtd->ents[k]->tex);
+                glBindTexture(GL_TEXTURE_2D, textures[rtd->ents[k]->tex]);
                 gl_renderCube(shaderProgram, fragmentShader, VAO, VBO, rtd->ents[k]->pos, offx, offy, offz);
             }
         }
@@ -226,13 +231,3 @@ void gl_drawData(unsigned int shaderProg) {
     gl_printf(shaderProg, -0.95f, 0.8f, 0.04f, 0.004f, 255, 255, 0, "coins %d", coins);
     //gl_drawInteger(shaderProg, player_hp, -0.95f, 0.9f, 0.05f, 255-player_hp/4, player_hp/4, 0, 0.005f, 1);
 }
-
-void read_ppm(char* filename) {
-    FILE* ptr = fopen(filename, "r");
-    char c = fgetc(ptr);
-    while(c != EOF) {
-        printf("%c\n", c);
-    }
-    printf("\n");
-    fclose(ptr);
-}

src/display.h

@@ -10,6 +10,4 @@ void init_vertices();
 
 void gl_drawData(unsigned int shaderProg);
 
-void read_ppm(char* filename);
-
 #endif

src/entities.c

@@ -7,11 +7,14 @@
 #include <termios.h>
 #include <limits.h>
 #include <time.h>
+#include <glad/glad.h>
+#include <GLFW/glfw3.h>
+#include <cglm/cglm.h>
 
 #include "hash.h"
-#include "structure.h"
 #include "base.h"
 #include "display.h"
+#include "menus.h"
 #include "proj.h"
 #include "entities.h"
 

src/generation.c

@@ -10,7 +10,6 @@
 #include <string.h>
 
 #include "hash.h"
-#include "structure.h"
 #include "base.h"
 #include "entities.h"
 #include "generation.h"
@@ -42,48 +41,56 @@ void init_ent_generator(int n) {
     }
 
     hashtbl_entities[0].id = 0;
+    hashtbl_entities[0].tex = 0;
     hashtbl_entities[0].name = "Coin";      // 0 = default
     hashtbl_entities[0].updatePos = &speen;
     hashtbl_entities[0].onHit = &money;
     hashtbl_entities[0].onDeath = NULL;
 
     hashtbl_entities[1].id = 1;
+    hashtbl_entities[1].tex = 0;
     hashtbl_entities[1].name = "ExplosiveStill";
     hashtbl_entities[1].updatePos = &speen2;
     hashtbl_entities[1].onHit = &explodeOnHit;
     hashtbl_entities[1].onDeath = NULL;
 
     hashtbl_entities[2].id = 2;
+    hashtbl_entities[2].tex = 0;
     hashtbl_entities[2].name = "ExplosiveSeek";
     hashtbl_entities[2].updatePos = &go_to_player;
     hashtbl_entities[2].onHit = &explodeOnHit;
     hashtbl_entities[2].onDeath = NULL;
 
     hashtbl_entities[3].id = 3;
+    hashtbl_entities[3].tex = 0;
     hashtbl_entities[3].name = "ExplosiveShoot";
     hashtbl_entities[3].updatePos = &speen3;
     hashtbl_entities[3].onHit = &explodeOnHit;
     hashtbl_entities[3].onDeath = NULL;
 
     hashtbl_entities[4].id = 4;
+    hashtbl_entities[4].tex = 0;
     hashtbl_entities[4].name = "SinePlatform";
     hashtbl_entities[4].updatePos = &moving_xyz;
     hashtbl_entities[4].onHit = &translatePlayer;
     hashtbl_entities[4].onDeath = NULL;
 
     hashtbl_entities[5].id = 5;
+    hashtbl_entities[5].tex = 0;
     hashtbl_entities[5].name = "LinePlatform";
     hashtbl_entities[5].updatePos = &moving_xyz_line;
     hashtbl_entities[5].onHit = &translatePlayerLine;
     hashtbl_entities[5].onDeath = NULL;
 
     hashtbl_entities[6].id = 6;
+    hashtbl_entities[6].tex = 1;
     hashtbl_entities[6].name = "TextBox";
     hashtbl_entities[6].updatePos = NULL;
     hashtbl_entities[6].onHit = &pop_text;
     hashtbl_entities[6].onDeath = NULL;
 
     hashtbl_entities[7].id = 7;
+    hashtbl_entities[7].tex = 0;
     hashtbl_entities[7].name = "WarpBox";
     hashtbl_entities[7].updatePos = NULL;
     hashtbl_entities[7].onHit = &pop_and_tp;
@@ -132,6 +139,8 @@ void copy_room(room* src, room* dest, int chx, int chy) {
     for(int k = 0; k < src->ent_len; k++) {
         dest->ents[k] = malloc(sizeof(entity));
         dest->ents[k]->damage = src->ents[k]->damage;
+        dest->ents[k]->tex = src->ents[k]->tex;
+        //printf("!! %d !!\n", dest->ents [k]->tex);
         dest->ents[k]->hitpoints = malloc(sizeof(int));
         dest->ents[k]->metai1 = src->ents[k]->metai1;
         dest->ents[k]->metai2 = src->ents[k]->metai2;
@@ -200,6 +209,7 @@ void build_starting_chunk(int chx, int chy) {
     for(int k = 0; k < 32; k++) {
         new->ents[k] = malloc(sizeof(entity));
         new->ents[k]->hitpoints = malloc(sizeof(int));
+        new->ents[k]->tex = 0;
         new->ents[k]->pos = malloc(sizeof(cube_0));
     };
     new->ent_len = 1;
@@ -347,6 +357,7 @@ void parse_one_room(int id, char* filename) {
         pool[id].area->ents[k] = malloc(sizeof(entity));
         pool[id].area->ents[k]->hitpoints = malloc(sizeof(int));
         pool[id].area->ents[k]->pos = malloc(sizeof(cube_0));
+        pool[id].area->ents[k]->tex = 0;
     }
     pool[id].area->ent_len = nent;
     pool[id].area->ent_memlen = nmemlen;
@@ -416,8 +427,10 @@ void parse_one_room(int id, char* filename) {
         if(entry == NULL) {
             entry = get_entry(0);
         }
+        //printf(">>><>>>>><> %d\n", entry->tex);
         fill_cube_0(pool[id].area->ents[k]->pos, cx, cy, cz, cw, ch, cd, chz, cvt, red, green, blue);
         pool[id].area->ents[k]->damage = dmg;
+        pool[id].area->ents[k]->tex = entry->tex;
         *(pool[id].area->ents[k]->hitpoints) = hp;
         pool[id].area->ents[k]->updatePos = entry->updatePos;
         pool[id].area->ents[k]->onHit = entry->onHit ;
@@ -635,14 +648,17 @@ void generate_nearby_chunks(int render_dist) {
 
 void free_pool() {
     for(int k0 = 0; k0 < pool_size; k0++) {
-        printf("%d/%d\n", 1+k0, pool_size);
+        printf("%d/%d\n", 1+k0, pool_size); fflush(stdout);
         for(int k = 0; k < pool[k0].area->map_size; k++) {
+            printf("%d-%d\n", k, pool[k0].area->map_size);
             free(pool[k0].area->map[k]);
         }
+        printf("...\n"); fflush(stdout);
         for(int k = 0; k < pool[k0].area->tps_size; k++) {
             free(pool[k0].area->tps[k]->hitbox);
             free(pool[k0].area->tps[k]);
         }
+        printf("...\n"); fflush(stdout);
         for(int k = 0; k < pool[k0].area->ent_memlen; k++) {
             if(pool[k0].area->ents[k]->metai3 == -727) { // 6 and 7 //
                 //free(pool[k0].area->ents[k]->metach1);
@@ -655,6 +671,7 @@ void free_pool() {
             free(pool[k0].area->ents[k]->pos);
             free(pool[k0].area->ents[k]);
         }
+        printf("...\n"); fflush(stdout);
         free(pool[k0].area->ents);
         free(pool[k0].area->tps);
         free(pool[k0].area->map);

src/generation.h

@@ -33,6 +33,8 @@ typedef struct fct_entry {
     double metad9;
     char* metach1;
     char* metach2;
+
+    int tex;
 } fct_entry ;
 
 extern int build_text_box(char* msg, int red, int green, int blue);

src/hash.c

@@ -8,7 +8,6 @@
 #include <limits.h>
 #include <time.h>
 
-#include "structure.h"
 #include "hash.h"
 
 // ------------------------------------------------------------------------------------------------------- //

src/hash.h

@@ -4,6 +4,7 @@
 
 #ifndef HASH_H
 #define HASH_H
+
 #include "structure.h"
 #include <stdbool.h>
 

src/main.c

@@ -10,8 +10,12 @@
 #include <glad/glad.h>
 #include <GLFW/glfw3.h>
 
+#ifndef STB_IMAGE_IMPLEMENTATION
+#define STB_IMAGE_IMPLEMENTATION
+#include "stb_image.h"
+#endif
+
 #include "hash.h"
-#include "structure.h"
 #include "base.h"
 #include "move.h"
 #include "menus.h"
@@ -33,6 +37,8 @@ double jPress = false;
 double gPress = false;
 double rPress = false;
 
+unsigned int textures[16];
+
 void reset_everything(GLFWwindow *window, int count, char* folder) {
     /*hashtbl_free(visited);
     free_proj();
@@ -105,6 +111,8 @@ void reset_everything(GLFWwindow *window, int count, char* folder) {
     interface_set(-1);
 
     generate_nearby_chunks(1);
+
+    printf("-------------------------------- Done 5 --------------------------------\n");
 }
 
 void processInput(GLFWwindow *window, float dtime) {
@@ -248,26 +256,32 @@ void processInput(GLFWwindow *window, float dtime) {
         //printf("-----\n");
         switchRoom = false;
         reset_everything(window, newRoomCount, newRoomName);
-        free(newRoomName);
+        //free(newRoomName);
     }
 }
 
 const char *vertexShaderSource = "#version 330 core\n"
     "layout (location = 0) in vec3 aPos;\n"
+    "layout (location = 1) in vec2 aTex;\n"
     "uniform mat4 scale;\n"
     "uniform mat4 model;\n"
     "uniform mat4 view;\n"
     "uniform mat4 projection;\n"
+    "out vec2 texCoord;\n"
     "void main() {\n"
     "   gl_Position = projection * view * model * scale * vec4(aPos, 1.0);\n"
+    "   texCoord = aTex;\n"
     "}\0";
 
 // Fragment Shader Source
 const char *fragmentShaderSource = "#version 330 core\n"
     "uniform vec4 u_color;\n"
     "out vec4 FragColor;\n"
+    "in vec2 texCoord;\n"
+    "uniform sampler2D tex0;\n"
     "void main() {\n"
-    "   FragColor = u_color;\n"
+//  "   FragColor = u_color;\n"
+    "   FragColor = texture(tex0, texCoord) * u_color;\n"
     "}\0";
 
 const char *vertexShaderSourceR = "#version 330 core\n"
@@ -285,6 +299,34 @@ const char *fragmentShaderSourceR = "#version 330 core\n"
     "   FragColor = u_color2;\n"
     "}\0";
 
+typedef enum file_extension {PNG, JPG, JPEG} file_extension;
+void generate_texture(int id, char* filename, file_extension ext) {
+    int widthImg, heightImg, numColCh;
+    //unsigned char* bytes = stbi_load("res/container.jpg", &widthImg, &heightImg, &numColCh, 0);
+    unsigned char* bytes = stbi_load(filename, &widthImg, &heightImg, &numColCh, 0);
+    if(bytes == 0) {fprintf(stderr, "ERROR : cannot load texture\n"); exit(1);}
+    glGenTextures(1, &textures[id]);
+    glActiveTexture(GL_TEXTURE0);
+    glBindTexture(GL_TEXTURE_2D, textures[id]);
+
+    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_REPEAT);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+    if(ext == JPG || ext == JPEG) {
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, widthImg, heightImg, 0, GL_RGB, GL_UNSIGNED_BYTE, bytes);
+        glGenerateMipmap(GL_TEXTURE_2D);
+    } else if(ext == PNG) {
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, widthImg, heightImg, 0, GL_RGBA, GL_UNSIGNED_BYTE, bytes);
+        glGenerateMipmap(GL_TEXTURE_2D);
+    }
+
+    stbi_image_free(bytes);
+    glBindTexture(GL_TEXTURE_2D, 0);
+}
+
 int main_alt() {
     // glfw: initialize and configure
     // ------------------------------
@@ -380,9 +422,22 @@ int main_alt() {
     glBindBuffer(GL_ARRAY_BUFFER, VBO);
     glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
 
-    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 3 * sizeof(float), (void*)0);
+    // position attribute
+    glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 5 * sizeof(float), (void*)0);
     glEnableVertexAttribArray(0);
     
+    // texture coord attribute
+    glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, 5 * sizeof(float), (void*)(3*sizeof(float)));
+    glEnableVertexAttribArray(1);
+
+    printf("-----------------------------------------------------------------------------------------------\n"); fflush(stdout);
+    
+    //generate_texture(0, "res/container.jpg", "jpg");
+    generate_texture(0, "res/white.png", PNG);
+    generate_texture(1, "res/question_block.png", PNG);
+
+    printf("-----------------------------------------------------------------------------------------------\n"); fflush(stdout);
+
     // ---------------------------------------------------------------------------------------------------------------------------------------------- //
     // ---------------------------------------------------------------------------------------------------------------------------------------------- //
 
@@ -460,6 +515,10 @@ int main_alt() {
     clock_t finish = clock();
     clock_t origin = clock();
 
+    loc_tex = glGetUniformLocation(shaderProgram, "tex0");
+    glUseProgram(shaderProgram);
+    glUniform1i(loc_tex, 0);
+
     while(!glfwWindowShouldClose(window) && player_hp > 0) {
         // input
         // -----
@@ -471,8 +530,9 @@ int main_alt() {
         generate_nearby_chunks(1);
         fflush(stdout);
 
-        // draw the map
         glUseProgram(shaderProgram);
+
+        // draw the map
         glBindVertexArray(VAO);
 
         gl_initRender(shaderProgram, shaderProgram, VAO, VBO);
@@ -528,6 +588,8 @@ int main_alt() {
     // ------------------------------------------------------------------------
     glDeleteVertexArrays(1, &VAO);
     glDeleteBuffers(1, &VBO);
+    glDeleteTextures(1, &textures[0]);
+    glDeleteTextures(1, &textures[1]);
     glDeleteProgram(shaderProgram);
 
     // glfw: terminate, clearing all previously allocated GLFW resources.
@@ -544,6 +606,6 @@ int main(int argc, char** argv) {
     newRoomCount = 7;
     switchRoom = false;
     newRoomName = "templates/";
-    //read_ppm("res/smb-2.ppm");
+    //read_png_file("res/question_block.png");
     return main_alt();
 }

src/menus.c

@@ -14,7 +14,6 @@
 #include <cglm/cglm.h>
 
 #include "hash.h"
-#include "structure.h"
 #include "base.h"
 #include "entities.h"
 #include "menus.h"

src/move.c

@@ -9,7 +9,6 @@
 #include <time.h>
 
 #include "hash.h"
-#include "structure.h"
 #include "base.h"
 #include "entities.h"
 #include "proj.h"

src/proj.c

@@ -8,7 +8,6 @@
 #include <limits.h>
 #include <time.h>
 
-#include "structure.h"
 #include "hash.h"
 #include "base.h"
 #include "move.h"

src/structure.h

@@ -59,6 +59,8 @@ typedef struct entity {
     char* metach1;
     char* metach2;
 
+    int tex;
+
     int damage;
     int* hitpoints;
 } entity;
@@ -148,7 +150,7 @@ extern double creative_speed;
 extern double min_dist;
 // ---------------------------------------------------------------------------------------------------- //
 
-extern float vertices[108];
+extern float vertices[180];
 extern float rectDefault[18];
 
 extern int triCount;
@@ -170,4 +172,14 @@ extern char* newRoomName;
 extern int newRoomCount;
 extern bool switchRoom;
 
+extern int loc_scale;
+extern int loc_model;
+extern int loc_view;
+extern int loc_proj;
+
+extern int loc_frag;
+extern int loc_tex;
+
+extern unsigned int textures[16];
+
 #endif

templates/room_3

@@ -11,7 +11,7 @@ Teleporters :
 [-5.0, 1.0, 9.0, 10.0, 2.0, 1.0, 0.0, 0.0, 0, 0, 255; 0, 1]
 
 Entities :
-[-1.0, 1.0, -1.0, 2.0, 2.0, 2.0, 0.0, 0.0, 0, 0, 0, 1, 0, 6, hey look a text box, 200, 200, 200]
+[-1.0, 1.0, -1.0, 2.0, 2.0, 2.0, 0.0, 0.0, 255, 255, 255, 1, 0, 6, hey look a text box, 200, 200, 200]
 
 Weight :
 50