Building assets !

Makefile

@@ -24,7 +24,7 @@ YELLOW := \033[33m
 RESET  := \033[m
 
 # Default targets
-all: build_core build_src compress_assets
+all: build_core build_src build_assets
 
 # Sub Makefiles
 SOURCE_DIR = src

assets/Makefile

@@ -0,0 +1,23 @@
+ASSETS := \
+  player_sheets/player_idle_sheet.png \
+  player_sheets/player_walk_sheet.png
+
+ASSETS := $(ASSETS:%=$(ASSETS_DIR)/%)
+
+ASSET_BUILDER_DIR = $(ASSETS_DIR)/asset_builder/src
+
+ASSET_BUILDER_OUTPUT = asset_builder
+
+build_assets: setup_asset asset_end
+
+include $(ASSET_BUILDER_DIR)/Makefile
+
+setup_asset:
+	@echo "Building $(ASSET_OUTPUT)"
+	$(Q)mkdir -p $(dir $(ASSETS))
+
+$(BUILD_DIR)/$(ASSET_OUTPUT): build_asset_builder
+	$(Q)$(BUILD_DIR)/$(ASSET_BUILDER_DIR)/$(ASSET_BUILDER_OUTPUT) $@ $(ASSETS)
+
+asset_end: $(BUILD_DIR)/$(ASSET_OUTPUT)
+	@echo "Built target $(ASSET_OUTPUT)"

assets/asset_builder/src/Makefile

@@ -0,0 +1,55 @@
+# Source files
+ASSET_BUILDER_SOURCES := \
+  main.c
+
+# Compiler and flags
+ASSET_BUILDER_CC = gcc
+#ASSET_BUILDER_CFLAGS = -std=c17 -pedantic -O3 # RELEASE
+ASSET_BUILDER_CFLAGS = -std=c17 --pedantic -O0 -g \
+	-Wall -Wno-missing-braces -Wextra -Wno-missing-field-initializers \
+    -Wformat=2 -Wswitch-default -Wswitch-enum -Wcast-align \
+    -Wpointer-arith -Wbad-function-cast -Wstrict-overflow=5 \
+    -Wstrict-prototypes -Winline -Wundef -Wnested-externs \
+    -Wcast-qual -Wshadow -Wunreachable-code -Wlogical-op \
+    -Wfloat-equal -Wstrict-aliasing=2 -Wredundant-decls \
+    -Wold-style-definition # DEVELOPEMENT
+
+ASSET_BUILDER_INCLUDE_DIRS = $(ASSET_BUILDER_DIR)/headers
+ASSET_BUILDER_LDFLAGS =
+
+# Deduce objects
+ASSET_BUILDER_OBJECTS = $(ASSET_BUILDER_SOURCES:%.c=$(BUILD_DIR)/$(ASSET_BUILDER_DIR)/%.o)
+
+# Current file nb to process
+CURRENT_ASSET_BUILDER_FILE := 0
+
+# Build asset builder target
+build_asset_builder: asset_builder_setup count_asset_builder_build $(BUILD_DIR)/$(ASSET_BUILDER_DIR)/$(ASSET_BUILDER_OUTPUT) asset_builder_end
+
+# Source build directories
+asset_builder_setup:
+	@echo "Building Asset Builder"
+	$(Q)mkdir -p $(dir $(ASSET_BUILDER_OBJECTS))
+
+# Count nb of files to build
+count_asset_builder_build:
+	$(eval export TOTAL_ASSET_BUILDER_FILES := $(shell echo $$(($$(make -n $(ASSET_BUILDER_OBJECTS) 2>/dev/null | grep -c "Building") + 1))))
+
+# Link asset builder target
+$(BUILD_DIR)/$(ASSET_BUILDER_DIR)/$(ASSET_BUILDER_OUTPUT): $(ASSET_BUILDER_OBJECTS)
+	@echo -e "[100%] $(YELLOW)Linking $(ASSET_BUILDER_OUTPUT)$(RESET)"
+	$(Q)$(SRC_CC) $(ASSET_BUILDER_OBJECTS) -o $@ $(ASSET_BUILDER_LDFLAGS)
+
+# Build .o files
+$(BUILD_DIR)/$(ASSET_BUILDER_DIR)/%.o: $(ASSET_BUILDER_DIR)/%.c
+	$(eval CURRENT_SRC_FILE := $(shell echo $$(($(CURRENT_SRC_FILE)+1))))
+	$(eval PERCENTAGE := $(shell echo $$(($(CURRENT_ASSET_BUILDER_FILE)*100/$(TOTAL_ASSET_BUILDER_FILES)))))
+	@echo -e "[$(PERCENTAGE)%] $(GREEN)Building C object $@$(RESET)"
+	$(Q)$(SRC_CC) $(SRC_CFLAGS) $(ASSET_BUILDER_INCLUDE_DIRS:%=-I%) -MMD -MP -c $< -o $@
+
+# Print ending message
+asset_builder_end:
+	@echo "Built target $(ASSET_BUILDER_OUTPUT)"
+
+# Source files dependencies
+-include $(ASSET_BUILDER_OBJECTS:.o=.d)

assets/asset_builder/src/main.c

@@ -0,0 +1,11 @@
+#include <stdio.h>
+
+int main(int argc, char *argv[])
+{
+    printf("%d args\n", argc);
+
+    for(int i = 0; i < argc; i++)
+        puts(argv[i]);
+
+    return 0;
+}