Working on C tooling

CMakeLists.txt

@@ -118,6 +118,7 @@ elseif(TARGET_TYPE STREQUAL game)
 
       locale_en
     )
+    add_dependencies()
   elseif(TARGET_GAME STREQUAL sandbox)
     add_compile_definitions(
       GAME_NAME="Sandbox"
@@ -128,7 +129,12 @@ elseif(TARGET_TYPE STREQUAL game)
       GAME_DISPOSE=sandboxGameDispose
       GAME_VERSION=1.0
     )
+    tool_texture(test_texture
+      poker/characters/penny/sprites/sheet.png out/test.texture
+    )
     tool_assets(
+      test_texture
+
       shader_textured
       font_opensans
       texture_test
@@ -136,7 +142,7 @@ elseif(TARGET_TYPE STREQUAL game)
   endif()
 
   # Common Game Dependencies.
-  add_dependencies(${PROJECT_NAME} assets)
+  add_dependencies(${PROJECT_NAME} assets )
   add_subdirectory(client)
 endif()
 

src/file/asset.c

@@ -32,6 +32,29 @@ char * assetStringLoad(char *assetName) {
   return str;
 }
 
+uint8_t * assetRawLoad(char *assetName) {
+  // Open a buffer.
+  assetbuffer_t *fptr = assetBufferOpen(assetName);
+  if(fptr == NULL) return NULL;
+
+  // Read the count of bytes in the file
+  fseek(fptr, 0, SEEK_END);// Seek to the end
+  size_t length = ftell(fptr);// Get our current position (the end)
+  fseek(fptr, 0, SEEK_SET);// Reset the seek 
+
+  // Create the string buffer
+  uint8_t *str = malloc(length);
+  if(str == NULL) {
+    assetBufferClose(fptr);
+    return NULL;
+  }
+
+  // Read and seal the string.
+  fread(str, 1, length, fptr);// Read all the bytes
+  assetBufferClose(fptr); // Close the buffer.
+  return str;
+}
+
 assetbuffer_t * assetBufferOpen(char *assetName) {
   // Get the directory based on the raw input by creating a new string.
   FILE *fptr;

src/file/asset.h

@@ -27,6 +27,8 @@ typedef FILE assetbuffer_t;
  */
 char * assetStringLoad(char *assetName);
 
+uint8_t * assetRawLoad(char *assetName);
+
 /**
  * Platform-centric method to open a file buffer to an asset.
  * @param assetName The asset name to open a buffer for.

src/game/sandbox/game.c

@@ -11,9 +11,6 @@ bool sandboxGameInit(sandboxgame_t *game) {
   quadInit(&game->quad, 0, 0,0,0,0, 500,500,1,1);
 
   assetManagerInit(&game->manager);
-  assetManagerLoadTexture(&game->manager, &game->texture,
-    "textures/test_texture.png"
-  );
   assetManagerLoadFont(&game->manager, &game->font,
     "fonts/opensans/OpenSans-Regular.ttf"
   );
@@ -24,6 +21,10 @@ bool sandboxGameInit(sandboxgame_t *game) {
   
   assetManagerStart(&game->manager);
 
+  pixel_t *data = (pixel_t *)assetRawLoad("out/test.texture");
+  textureInit(&game->texture, 4360, 1920, (pixel_t *)data);
+  free(data);
+
   return true;
 }
 

tools/CMakeLists.txt

@@ -5,3 +5,4 @@
 
 add_subdirectory(file)
 add_subdirectory(vn)
+add_subdirectory(display)

tools/display/CMakeLists.txt

@@ -0,0 +1,32 @@
+# Copyright (c) 2021 Dominic Msters
+# 
+# This software is released under the MIT License.
+# https://opensource.org/licenses/MIT
+
+cmake_minimum_required(VERSION 3.13)
+set(CMAKE_C_STANDARD 99)
+set(CMAKE_C_STANDARD_REQUIRED ON)
+
+SET(TOOL_NAME texture_generation)
+set(TOOL_TEXTURE_GENERATION_SOURCE_DIR)
+
+# Build Tool
+project(${TOOL_NAME} VERSION 1.0)
+add_executable(${TOOL_NAME})
+target_sources(${TOOL_NAME}
+  PRIVATE
+    texture_generation.c
+)
+target_link_libraries(${TOOL_NAME} 
+  PUBLIC
+    stb
+)
+
+# Function for creating the target
+function(tool_texture target in out)
+  add_custom_target(${target}
+    COMMAND texture_generation "${ROOT_DIR}/${ASSETS_DIR}/${in}" "${ASSETS_DIR}/${out}"
+    COMMENT "Generating texture ${target} from ${in}"
+    SOURCES ${TOOL_NAME}
+  )
+endfunction()

tools/utils/file.h

@@ -0,0 +1,68 @@
+/**
+ * Copyright (c) 2021 Dominic Masters
+ * 
+ * This software is released under the MIT License.
+ * https://opensource.org/licenses/MIT
+ */
+
+#pragma once
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+#if defined(_MSC_VER)
+  #include <direct.h>
+  #define getcwd _getcwd
+  #define FILE_PATH_SEP '\\'
+#elif defined(__GNUC__)
+  #include <unistd.h>
+  #define FILE_PATH_SEP '/'
+#endif
+
+#ifndef  STB_IMAGE_IMPLEMENTATION
+  #define STB_IMAGE_IMPLEMENTATION
+  #include <stb_image.h>
+#endif
+
+void fileNormalizeSlashes(char *string) {
+  char c;
+  int i = 0;
+
+  while(c = string[i++]) {
+    if(c != '\\' && c != '/') continue;
+    string[i-1] = FILE_PATH_SEP;
+  }
+}
+
+void fileMkdirp(char *path) {
+  char buffer[FILENAME_MAX];
+  char c;
+  int i = 0;
+  bool inFile;
+  bool hasMore;
+
+  inFile = false;
+  hasMore = false;
+  while(c = path[i]) {
+    if((c == '\\' || c == '/') && i > 0) {
+      buffer[i] = '\0';
+      _mkdir(buffer);
+      inFile = false;
+      hasMore = false;
+      buffer[i] = FILE_PATH_SEP;
+      i++;
+      continue;
+    }
+
+    if(c == '.') inFile = true;
+    hasMore = true;
+    buffer[i] = c;
+    i++;
+  }
+
+  if(!inFile && hasMore) {
+    buffer[i] = '\0';
+    _mkdir(buffer);
+  }
+}