Initial version

.gitignore

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+*.elf
+*.nds
+build/

Makefile

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+#---------------------------------------------------------------------------------
+.SUFFIXES:
+#---------------------------------------------------------------------------------
+
+ifeq ($(strip $(DEVKITARM)),)
+$(error "Please set DEVKITARM in your environment. export DEVKITARM=<path to>devkitARM")
+endif
+
+include $(DEVKITARM)/ds_rules
+
+#---------------------------------------------------------------------------------
+# TARGET is the name of the output
+# BUILD is the directory where object files & intermediate files will be placed
+# SOURCES is a list of directories containing source code
+# INCLUDES is a list of directories containing extra header files
+# DATA is a list of directories containing binary files embedded using bin2o
+# GRAPHICS is a list of directories containing image files to be converted with grit
+# ICON is the image used to create the game icon, leave blank to use default rule
+#---------------------------------------------------------------------------------
+TARGET   := $(shell basename $(CURDIR))
+BUILD    := build
+SOURCES  := source
+INCLUDES := include
+DATA     := data
+GRAPHICS := gfx
+ICON     :=
+
+# specify a directory which contains the nitro filesystem
+# this is relative to the Makefile
+NITRO_FILES :=
+
+# These set the information text in the nds file
+GAME_TITLE     := Basic ARM9 template
+GAME_SUBTITLE1 := www.devkitpro.org
+GAME_SUBTITLE2 := www.drunkencoders.com
+
+#---------------------------------------------------------------------------------
+# options for code generation
+#---------------------------------------------------------------------------------
+ARCH := -marm -mthumb-interwork -march=armv5te -mtune=arm946e-s
+
+CFLAGS := -g -Wall -O2\
+          -fomit-frame-pointer\
+          -ffast-math\
+          $(ARCH)
+
+CFLAGS   += $(INCLUDE) -DARM9
+CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions
+
+ASFLAGS := -g $(ARCH)
+LDFLAGS  = -specs=ds_arm9.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
+
+#---------------------------------------------------------------------------------
+# any extra libraries we wish to link with the project (order is important)
+#---------------------------------------------------------------------------------
+LIBS := -lnds9
+
+#---------------------------------------------------------------------------------
+# list of directories containing libraries, this must be the top level containing
+# include and lib
+#---------------------------------------------------------------------------------
+LIBDIRS := $(LIBNDS)
+
+#---------------------------------------------------------------------------------
+# no real need to edit anything past this point unless you need to add additional
+# rules for different file extensions
+#---------------------------------------------------------------------------------
+ifneq ($(BUILD),$(notdir $(CURDIR)))
+#---------------------------------------------------------------------------------
+
+export OUTPUT := $(CURDIR)/$(TARGET)
+
+export VPATH := $(CURDIR)/$(subst /,,$(dir $(ICON))) \
+                $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
+                $(foreach dir,$(DATA),$(CURDIR)/$(dir)) \
+                $(foreach dir,$(GRAPHICS),$(CURDIR)/$(dir))
+
+export DEPSDIR := $(CURDIR)/$(BUILD)
+
+CFILES   := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
+CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
+SFILES   := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
+PNGFILES := $(foreach dir,$(GRAPHICS),$(notdir $(wildcard $(dir)/*.png)))
+BMPFILES := $(foreach dir,$(GRAPHICS),$(notdir $(wildcard $(dir)/*.bmp)))
+BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
+
+#---------------------------------------------------------------------------------
+# use CXX for linking C++ projects, CC for standard C
+#---------------------------------------------------------------------------------
+ifeq ($(strip $(CPPFILES)),)
+#---------------------------------------------------------------------------------
+  export LD := $(CC)
+#---------------------------------------------------------------------------------
+else
+#---------------------------------------------------------------------------------
+  export LD := $(CXX)
+#---------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------
+
+export OFILES := $(addsuffix .o,$(BINFILES)) \
+                 $(PNGFILES:.png=.o) \
+                 $(BMPFILES:.bmp=.o) \
+                 $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
+
+export INCLUDE := $(foreach dir,$(INCLUDES),-iquote $(CURDIR)/$(dir)) \
+                  $(foreach dir,$(LIBDIRS),-I$(dir)/include) \
+                  -I$(CURDIR)/$(BUILD)
+
+export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
+
+ifeq ($(strip $(ICON)),)
+  icons := $(wildcard *.bmp)
+  ifneq (,$(findstring $(TARGET).bmp,$(icons)))
+  export GAME_ICON := $(CURDIR)/$(TARGET).bmp
+  else
+    ifneq (,$(findstring icon.bmp,$(icons)))
+      export GAME_ICON := $(CURDIR)/icon.bmp
+    endif
+  endif
+else
+  ifeq ($(suffix $(ICON)), .grf)
+    export GAME_ICON := $(CURDIR)/$(ICON)
+  else
+    export GAME_ICON := $(CURDIR)/$(BUILD)/$(notdir $(basename $(ICON))).grf
+  endif
+endif
+
+.PHONY: $(BUILD) clean
+
+#---------------------------------------------------------------------------------
+$(BUILD) :
+	@[ -d $@ ] || mkdir -p $@
+	@echo "OFILES = $(OFILES)"
+	@make --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
+
+#---------------------------------------------------------------------------------
+clean:
+	@echo clean ...
+	@rm -fr $(BUILD) $(TARGET).elf $(TARGET).nds
+
+#---------------------------------------------------------------------------------
+else
+
+#---------------------------------------------------------------------------------
+# main targets
+#---------------------------------------------------------------------------------
+$(OUTPUT).nds : $(OUTPUT).elf $(GAME_ICON)
+$(OUTPUT).elf : $(OFILES)
+
+#---------------------------------------------------------------------------------
+%.bin.o : %.bin
+#---------------------------------------------------------------------------------
+	@echo $(notdir $<)
+	$(bin2o)
+
+#---------------------------------------------------------------------------------
+# This rule creates assembly source files using grit
+# grit takes an image file and a .grit describing how the file is to be processed
+# add additional rules like this for each image extension
+# you use in the graphics folders
+#---------------------------------------------------------------------------------
+%.s %.h   : %.png %.grit
+#---------------------------------------------------------------------------------
+	grit $< -fts -o$*
+
+#---------------------------------------------------------------------------------
+%.s %.h   : %.bmp %.grit
+#---------------------------------------------------------------------------------
+	grit $< -fts -o$*
+
+#---------------------------------------------------------------------------------
+# Convert non-GRF game icon to GRF if needed
+#---------------------------------------------------------------------------------
+$(GAME_ICON): $(notdir $(ICON))
+#---------------------------------------------------------------------------------
+	@echo convert $(notdir $<)
+	@grit $< -g -gt -gB4 -gT FF00FF -m! -p -pe 16 -fh! -ftr
+
+-include $(DEPSDIR)/*.d
+
+#---------------------------------------------------------------------------------------
+endif
+#---------------------------------------------------------------------------------------
+

gfx/ghostly.grit

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+-gt -gB8 -gu8
+-m!
+-p
+

gfx/layer1.grit

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+-gt -gB8 -gu8
+-m -mR8 -mu16
+-p
+

include/Classes.h

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+
+
+#include <nds.h>
+
+#include "Structs.h"
+
+#ifndef CLASSES_H
+#define CLASSES_H
+
+class PlayerClass;
+
+class MapClass{
+		private:
+			u16 Buffer1[32*32], Buffer2[32*32];
+		public:
+			int id;
+			MapClass(int Layer, int MapBase, int TileBase, const u16 *Pal, const u8 *Tiles, const u16 *Map, int TileSize);
+
+			void Init(const u16*, const u16*, const u16*, int);
+			void Update(PlayerClass *, const u16[]);
+			void BufferToMem();
+};
+
+class EntityClass{
+	private:
+	protected:
+		u16 *pSpriteBase;
+		XY c_BGPixels, c_BGTiles;
+	public:
+		void oamSetEntity(int Index, int X, int Y, bool Hide);	
+
+		EntityClass(const u8 *SpriteData);
+};
+
+class PlayerClass: public EntityClass {
+	private:
+		XY Input; //counters for tracking, Input is for accepting user input	
+		int InputDirection;//Right, Down, Left, Up; make this 1,2,3, or 4 depending on which direction player is moving
+	public:
+		int AnimLoop;
+
+		void AcceptUserInput(int BGid);
+		void AUIReset();
+		bool CheckPlayerCollision();
+
+		friend class MapClass;
+		friend class NPCClass;
+		PlayerClass(const u8 *);
+};
+
+class NPCClass: public EntityClass {
+	 private:
+	 public:
+		static int NPCCount;
+		static NPCClass *NPCs[];
+		int OamIndex;
+
+		void Hold(PlayerClass *Player);
+
+		NPCClass(const u8 *);
+		~NPCClass();
+};
+
+#endif

include/Structs.h

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+
+#ifndef STRUCTS_H
+#define STRUCTS_H
+
+struct XY { int X; int Y;};
+
+#endif

source/Entity.cpp

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+
+#include <nds.h>
+
+#include "Classes.h"
+
+EntityClass::EntityClass(const u8 *SpriteData) {
+	c_BGPixels.X=0;	c_BGPixels.Y=0;
+	c_BGTiles.X=0; 	c_BGTiles.Y=0;
+
+	pSpriteBase = oamAllocateGfx(&oamMain, SpriteSize_16x32, SpriteColorFormat_256Color);
+	memcpy(pSpriteBase, SpriteData, 256*2);
+}
+
+void EntityClass::oamSetEntity(int index, int X, int Y, bool Hide)
+{
+	oamSet(&oamMain,
+			index, 
+			X, Y,
+			1, //priority
+			0, //palette index for multiple palettes
+			SpriteSize_16x32, 
+			SpriteColorFormat_256Color, 
+			pSpriteBase, //pointer to loaded graphics
+			0,  //rot/scale matrix index
+			false, //double size when rot/scale?
+			Hide, //hide sprite?
+			false, false, //vflip, hflip?
+			false  //mosiac?
+			);
+}