preparing to add inventories

Makefile

@@ -10,7 +10,7 @@ test: bin/back
 mem: bin/back
 	valgrind --leak-check=full ./bin/back
 
-bin/back: obj/main.o obj/generation.o obj/display.o obj/proj.o obj/entities.o obj/bullets.o obj/menus.o obj/music.o obj/maeth.o obj/move.o obj/base.o obj/hash.o
+bin/back: obj/main.o obj/generation.o obj/display.o obj/proj.o obj/entities.o obj/bullets.o obj/menus.o obj/inventory.o obj/music.o obj/maeth.o obj/move.o obj/base.o obj/hash.o
 	mkdir -p bin
 	$(CC) $(FLAGS) $^ $(LFLAGS) -o $@
 
@@ -26,6 +26,7 @@ obj/bullets.o: src/bullets.c
 obj/move.o: src/move.c
 obj/base.o: src/base.c
 obj/proj.o: src/proj.c
+obj/inventory.o: src/inventory.c
 obj/music.o: src/music.c
 obj/maeth.o: src/maeth.c
 obj/menus.o: src/menus.c

src/display.c

@@ -232,8 +232,8 @@ void gl_renderNearbyChunks(int render_distance) {
             gl_renderAll(hashtbl_find_opt(visited, player_chx+w, player_chy+h), (2.0*room_width)*w, 0.0, (2.0*room_depth)*h);
         }
     }
-    if(F5 != 0) {
     glBindTexture(GL_TEXTURE_2D, textures[0]);
+    if(F5 != 0) {
         fill_cube_0(F5_renderer, camx-min_dist, camy-min_dist, camz-min_dist, 2*min_dist, 2*min_dist, 2*min_dist, 0.0, 0.0, 192, 192, 192);
         gl_renderCube(F5_renderer, 0.0, 0.0, 0.0);
     }

src/inventory.c

@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <math.h>
+#include <stdbool.h>
+#include <unistd.h>
+#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 "base.h"
+#include "display.h"
+#include "inventory.h"
+
+inventory* playerInventory;
+const int Lines = 9;
+const int Cols = 3;
+
+void inv_init() {
+    playerInventory = malloc(sizeof(inventory));
+    playerInventory->lines = Lines;
+    playerInventory->cols = Cols;
+    playerInventory->data = malloc(sizeof(stack*)*Lines);
+    for(int k = 0; k < Lines; k++) {
+        playerInventory->data[k] = malloc(sizeof(stack)*Cols);
+        for(int l = 0; l < Cols; l++) {
+            playerInventory->data[k][l] = NULL;
+        }
+    }
+}
+
+void inv_destroy() {
+    for(int k = 0; k < Lines; k++) {
+        free(playerInventory->data[k]);
+    }
+    free(playerInventory->data);
+    free(playerInventory);
+}

src/inventory.h

@@ -0,0 +1,29 @@
+#ifndef INV_H
+#define INV_H
+
+typedef struct item {
+    const char* name;
+    int maxCount;
+    int texID;
+
+    void (*onCollect)(float dtime);
+    void (*onUse)(float dtime);
+} item;
+
+typedef struct stack_t {
+    item* itm;
+    int count;
+} stack_t;
+typedef stack_t* stack; // can be NULL
+
+typedef struct inventory {
+    stack** data;
+    int lines;
+    int cols;
+} inventory;
+
+// -------------- //
+void inv_init();
+void inv_destroy();
+
+#endif

src/main.c

@@ -22,6 +22,7 @@
 #include "move.h"
 #include "menus.h"
 #include "proj.h"
+#include "inventory.h"
 #include "entities.h"
 #include "display.h"
 #include "generation.h"
@@ -48,6 +49,7 @@ bool yPress = false;
 bool P5ress = false;
 
 unsigned int textures[32];
+unsigned int itemTexts[32];
 
 bool paused = false;
 bool hardReset = true;
@@ -417,6 +419,8 @@ const char *vertexShaderSourceR = "#version 330 core\n"
 const char *fragmentShaderSourceR = "#version 330 core\n"
     "uniform vec4 u_color2;\n"
     "out vec4 FragColor;\n"
+    "in vec2 texCoord;\n"
+    "uniform sampler2D tex0;\n"
     "void main() {\n"
     "   FragColor = u_color2;\n"
     "}\0";
@@ -449,33 +453,32 @@ void generate_texture_2D(int id, char* filename, file_extension ext) {
     glBindTexture(GL_TEXTURE_2D, 0);
 }
 
-/*void generate_texture_3D(int id, char* filename, file_extension ext) {
+void generate_itemTexture_2D(int id, char* filename, file_extension ext) {
-    int widthImg, heightImg, depthImg, numColCh;
+    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);}
+    if(bytes == 0) {fprintf(stderr, "ERROR : cannot load texture [%s]\n", filename); exit(1);}
-    glGenTextures(1, &textures[id]);
+    glGenTextures(1, &itemTexts[id]);
     glActiveTexture(GL_TEXTURE0);
-    glBindTexture(GL_TEXTURE_3D, textures[id]);
+    glBindTexture(GL_TEXTURE_2D, itemTexts[id]);
 
-    glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
-    glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
 
-    glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
-    glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
-    glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, GL_REPEAT);
 
     if(ext == JPG || ext == JPEG) {
-        glTexImage3D(GL_TEXTURE_3D, 0, GL_RGB, widthImg, heightImg, depthImg, 0, GL_RGB, GL_UNSIGNED_BYTE, bytes);
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, widthImg, heightImg, 0, GL_RGB, GL_UNSIGNED_BYTE, bytes);
-        glGenerateMipmap(GL_TEXTURE_3D);
+        glGenerateMipmap(GL_TEXTURE_2D);
     } else if(ext == PNG) {
-        glTexImage3D(GL_TEXTURE_3D, 0, GL_RGBA, widthImg, heightImg, depthImg, 0, GL_RGBA, GL_UNSIGNED_BYTE, bytes);
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, widthImg, heightImg, 0, GL_RGBA, GL_UNSIGNED_BYTE, bytes);
-        glGenerateMipmap(GL_TEXTURE_3D);
+        glGenerateMipmap(GL_TEXTURE_2D);
     }
 
     stbi_image_free(bytes);
     glBindTexture(GL_TEXTURE_2D, 0);
-}*/
+}
 
 int main_alt() {
     // glfw: initialize and configure
@@ -515,6 +518,7 @@ int main_alt() {
     //glfwSetMouseButtonCallback(window, mouse_button_callback);
 
     init_csts();
+    inv_init();
     init_hashtbl();
     init_interf(window);
     build_all_menus();
@@ -612,6 +616,11 @@ int main_alt() {
     //generate_texture_2D(17, "res/selection-mod-flashlight.png", PNG);
     //generate_texture_2D(18, "res/selection-mod-suddendeath.png", PNG);
 
+    printf("-----------------------------------------------------------------------------------------------\n"); fflush(stdout);
+    // 32 max
+
+    generate_itemTexture_2D(0, "res/white.png", PNG);
+
     printf("-----------------------------------------------------------------------------------------------\n"); fflush(stdout);
 
     // ---------------------------------------------------------------------------------------------------------------------------------------------- //
@@ -745,6 +754,7 @@ int main_alt() {
         glUseProgram(shaderProgramR);
         glBindVertexArray(RVAO);
 
+        glBindTexture(GL_TEXTURE_2D, itemTexts[0]);
         gl_drawInteger(shaderProgramR, (int)(1.0f/(real_T)), 0.0f, -0.92f, 0.05, 32, 255, 32, 0.005, -1);
         gl_drawInteger(shaderProgramR, triCount, 0.0f, 0.92f, 0.04f, 128, 128, 128, 0.005f, 1);
         gl_drawData(shaderProgramR);
@@ -837,6 +847,7 @@ int main_alt() {
     free_ent_generator();
     printf("Done\n"); fflush(stdout);
     free_maeth();
+    inv_destroy();
     free(F5_renderer);
 
     // optional: de-allocate all resources once they've outlived their purpose:

src/structure.h

@@ -193,6 +193,7 @@ extern int loc_tex;
 extern bool is_one_room;
 
 extern unsigned int textures[32];
+extern unsigned int itemTexts[32];
 
 extern double choffx;
 extern double choffz;