mirror of
https://github.com/switchbrew/switch-examples.git
synced 2025-06-20 21:12:38 +02:00
add sdl2 demo using romfs for data
This commit is contained in:
Dave Murphy
parent
25cdf12ab0
commit
a0ce16d0f7
217
graphics/sdl2/sdl2-demo/Makefile
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217
graphics/sdl2/sdl2-demo/Makefile
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@ -0,0 +1,217 @@
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#---------------------------------------------------------------------------------
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.SUFFIXES:
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#---------------------------------------------------------------------------------
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ifeq ($(strip $(DEVKITPRO)),)
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$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>/devkitpro")
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endif
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TOPDIR ?= $(CURDIR)
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include $(DEVKITPRO)/libnx/switch_rules
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#---------------------------------------------------------------------------------
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# TARGET is the name of the output
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# BUILD is the directory where object files & intermediate files will be placed
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# SOURCES is a list of directories containing source code
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# DATA is a list of directories containing data files
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# INCLUDES is a list of directories containing header files
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# ROMFS is the directory containing data to be added to RomFS, relative to the Makefile (Optional)
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#
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# NO_ICON: if set to anything, do not use icon.
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# NO_NACP: if set to anything, no .nacp file is generated.
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# APP_TITLE is the name of the app stored in the .nacp file (Optional)
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# APP_AUTHOR is the author of the app stored in the .nacp file (Optional)
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# APP_VERSION is the version of the app stored in the .nacp file (Optional)
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# APP_TITLEID is the titleID of the app stored in the .nacp file (Optional)
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# ICON is the filename of the icon (.jpg), relative to the project folder.
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# If not set, it attempts to use one of the following (in this order):
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# - <Project name>.jpg
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# - icon.jpg
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# - <libnx folder>/default_icon.jpg
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#
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# CONFIG_JSON is the filename of the NPDM config file (.json), relative to the project folder.
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# If not set, it attempts to use one of the following (in this order):
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# - <Project name>.json
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# - config.json
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# If a JSON file is provided or autodetected, an ExeFS PFS0 (.nsp) is built instead
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# of a homebrew executable (.nro). This is intended to be used for sysmodules.
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# NACP building is skipped as well.
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#---------------------------------------------------------------------------------
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TARGET := $(notdir $(CURDIR))
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BUILD := build
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SOURCES := source
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DATA := data
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INCLUDES := include
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ROMFS := romfs
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APP_TITLE := SDL2+mixer+image Demo
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APP_AUTHOR := carstene1ns
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#---------------------------------------------------------------------------------
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# options for code generation
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#---------------------------------------------------------------------------------
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ARCH := -march=armv8-a+crc+crypto -mtune=cortex-a57 -mtp=soft -fPIE
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CFLAGS := `$(PREFIX)pkg-config --cflags sdl2 SDL2_mixer SDL2_image` -Wall -O2 -ffunction-sections \
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$(ARCH) $(DEFINES)
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CFLAGS += $(INCLUDE) -D__SWITCH__
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CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions
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ASFLAGS := -g $(ARCH)
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LDFLAGS = -specs=$(DEVKITPRO)/libnx/switch.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
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LIBS := `$(PREFIX)pkg-config --libs sdl2 SDL2_mixer SDL2_image` \
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-lnx
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#---------------------------------------------------------------------------------
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# list of directories containing libraries, this must be the top level containing
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# include and lib
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#---------------------------------------------------------------------------------
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LIBDIRS := $(PORTLIBS) $(LIBNX)
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#---------------------------------------------------------------------------------
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# no real need to edit anything past this point unless you need to add additional
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# rules for different file extensions
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#---------------------------------------------------------------------------------
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ifneq ($(BUILD),$(notdir $(CURDIR)))
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#---------------------------------------------------------------------------------
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export OUTPUT := $(CURDIR)/$(TARGET)
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export TOPDIR := $(CURDIR)
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export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
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$(foreach dir,$(DATA),$(CURDIR)/$(dir))
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export DEPSDIR := $(CURDIR)/$(BUILD)
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CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
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CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
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SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
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BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
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#---------------------------------------------------------------------------------
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# use CXX for linking C++ and libEGL dependent projects
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#---------------------------------------------------------------------------------
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export LD := $(CXX)
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export OFILES_BIN := $(addsuffix .o,$(BINFILES))
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export OFILES_SRC := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
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export OFILES := $(OFILES_BIN) $(OFILES_SRC)
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export HFILES_BIN := $(addsuffix .h,$(subst .,_,$(BINFILES)))
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export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
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$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
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-I$(CURDIR)/$(BUILD)
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export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
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ifeq ($(strip $(CONFIG_JSON)),)
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jsons := $(wildcard *.json)
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ifneq (,$(findstring $(TARGET).json,$(jsons)))
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export APP_JSON := $(TOPDIR)/$(TARGET).json
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else
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ifneq (,$(findstring config.json,$(jsons)))
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export APP_JSON := $(TOPDIR)/config.json
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endif
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endif
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else
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export APP_JSON := $(TOPDIR)/$(CONFIG_JSON)
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endif
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ifeq ($(strip $(ICON)),)
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icons := $(wildcard *.jpg)
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ifneq (,$(findstring $(TARGET).jpg,$(icons)))
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export APP_ICON := $(TOPDIR)/$(TARGET).jpg
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else
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ifneq (,$(findstring icon.jpg,$(icons)))
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export APP_ICON := $(TOPDIR)/icon.jpg
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endif
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endif
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else
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export APP_ICON := $(TOPDIR)/$(ICON)
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endif
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ifeq ($(strip $(NO_ICON)),)
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export NROFLAGS += --icon=$(APP_ICON)
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endif
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ifeq ($(strip $(NO_NACP)),)
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export NROFLAGS += --nacp=$(CURDIR)/$(TARGET).nacp
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endif
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ifneq ($(APP_TITLEID),)
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export NACPFLAGS += --titleid=$(APP_TITLEID)
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endif
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ifneq ($(ROMFS),)
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export NROFLAGS += --romfsdir=$(CURDIR)/$(ROMFS)
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endif
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.PHONY: $(BUILD) clean all
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#---------------------------------------------------------------------------------
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all: $(BUILD)
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$(BUILD):
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@[ -d $@ ] || mkdir -p $@
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@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
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#---------------------------------------------------------------------------------
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clean:
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@echo clean ...
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ifeq ($(strip $(APP_JSON)),)
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@rm -fr $(BUILD) $(TARGET).nro $(TARGET).nacp $(TARGET).elf
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else
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@rm -fr $(BUILD) $(TARGET).nsp $(TARGET).nso $(TARGET).npdm $(TARGET).elf
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endif
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#---------------------------------------------------------------------------------
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else
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.PHONY: all
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DEPENDS := $(OFILES:.o=.d)
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#---------------------------------------------------------------------------------
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# main targets
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#---------------------------------------------------------------------------------
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ifeq ($(strip $(APP_JSON)),)
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all : $(OUTPUT).nro
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ifeq ($(strip $(NO_NACP)),)
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$(OUTPUT).nro : $(OUTPUT).elf $(OUTPUT).nacp
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else
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$(OUTPUT).nro : $(OUTPUT).elf
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endif
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else
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all : $(OUTPUT).nsp
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$(OUTPUT).nsp : $(OUTPUT).nso $(OUTPUT).npdm
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$(OUTPUT).nso : $(OUTPUT).elf
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endif
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$(OUTPUT).elf : $(OFILES)
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$(OFILES_SRC) : $(HFILES_BIN)
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#---------------------------------------------------------------------------------
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# you need a rule like this for each extension you use as binary data
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#---------------------------------------------------------------------------------
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%.bin.o %_bin.h : %.bin
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#---------------------------------------------------------------------------------
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@echo $(notdir $<)
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@$(bin2o)
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-include $(DEPENDS)
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#---------------------------------------------------------------------------------------
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endif
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#---------------------------------------------------------------------------------------
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BIN
graphics/sdl2/sdl2-demo/romfs/data/background.ogg
Normal file
BIN
graphics/sdl2/sdl2-demo/romfs/data/background.ogg
Normal file
Binary file not shown.
BIN
graphics/sdl2/sdl2-demo/romfs/data/pop1.wav
Normal file
BIN
graphics/sdl2/sdl2-demo/romfs/data/pop1.wav
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Binary file not shown.
BIN
graphics/sdl2/sdl2-demo/romfs/data/pop2.wav
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BIN
graphics/sdl2/sdl2-demo/romfs/data/pop2.wav
Normal file
Binary file not shown.
BIN
graphics/sdl2/sdl2-demo/romfs/data/pop3.wav
Normal file
BIN
graphics/sdl2/sdl2-demo/romfs/data/pop3.wav
Normal file
Binary file not shown.
BIN
graphics/sdl2/sdl2-demo/romfs/data/pop4.wav
Normal file
BIN
graphics/sdl2/sdl2-demo/romfs/data/pop4.wav
Normal file
Binary file not shown.
BIN
graphics/sdl2/sdl2-demo/romfs/data/sdl.png
Normal file
BIN
graphics/sdl2/sdl2-demo/romfs/data/sdl.png
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Binary file not shown.
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After Width: | Height: | Size: 8.2 KiB |
BIN
graphics/sdl2/sdl2-demo/romfs/data/switch.png
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BIN
graphics/sdl2/sdl2-demo/romfs/data/switch.png
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Binary file not shown.
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After Width: | Height: | Size: 1.7 KiB |
218
graphics/sdl2/sdl2-demo/source/main.c
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218
graphics/sdl2/sdl2-demo/source/main.c
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@ -0,0 +1,218 @@
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/* Mini SDL Demo
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* featuring SDL2 + SDL2_mixer + SDL2_image
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* on Nintendo Switch using libnx
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*
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* Copyright 2018 carsten1ns
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* 2020 WinterMute
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include <time.h>
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#include <unistd.h>
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#include <SDL.h>
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#include <SDL_mixer.h>
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#include <SDL_image.h>
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#include <switch.h>
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// some switch buttons
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#define JOY_A 0
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#define JOY_B 1
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#define JOY_X 2
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#define JOY_Y 3
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#define JOY_PLUS 10
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#define JOY_MINUS 11
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#define JOY_LEFT 12
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#define JOY_UP 13
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#define JOY_RIGHT 14
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#define JOY_DOWN 15
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#define SCREEN_W 1280
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#define SCREEN_H 720
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int rand_range(int min, int max){
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return min + rand() / (RAND_MAX / (max - min + 1) + 1);
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}
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int main(int argc, char** argv) {
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romfsInit();
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chdir("romfs:/");
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int exit_requested = 0;
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int trail = 0;
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int wait = 25;
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SDL_Texture *switchlogo_tex = NULL, *sdllogo_tex = NULL;
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SDL_Rect pos = { 0, 0, 0, 0 }, sdl_pos = { 0, 0, 0, 0 };
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Mix_Music *music = NULL;
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Mix_Chunk *sound[4] = { NULL };
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SDL_Event event;
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SDL_Color colors[] = {
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{ 128, 128, 128, 0 }, // gray
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{ 255, 255, 255, 0 }, // white
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{ 255, 0, 0, 0 }, // red
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{ 0, 255, 0, 0 }, // green
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{ 0, 0, 255, 0 }, // blue
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{ 255, 255, 0, 0 }, // brown
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{ 0, 255, 255, 0 }, // cyan
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{ 255, 0, 255, 0 }, // purple
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};
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int col = 0, snd = 0;
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srand(time(NULL));
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int vel_x = rand_range(1, 5);
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int vel_y = rand_range(1, 5);
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SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER);
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Mix_Init(MIX_INIT_OGG);
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IMG_Init(IMG_INIT_PNG);
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SDL_Window* window = SDL_CreateWindow("sdl2+mixer+image demo", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, SCREEN_W, SCREEN_H, SDL_WINDOW_SHOWN);
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SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_SOFTWARE);
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// load logos from file
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SDL_Surface *sdllogo = IMG_Load("data/sdl.png");
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if (sdllogo) {
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sdl_pos.w = sdllogo->w;
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sdl_pos.h = sdllogo->h;
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sdllogo_tex = SDL_CreateTextureFromSurface(renderer, sdllogo);
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SDL_FreeSurface(sdllogo);
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}
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SDL_Surface *switchlogo = IMG_Load("data/switch.png");
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if (switchlogo) {
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pos.x = SCREEN_W / 2 - switchlogo->w / 2;
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pos.y = SCREEN_H / 2 - switchlogo->h / 2;
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pos.w = switchlogo->w;
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pos.h = switchlogo->h;
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switchlogo_tex = SDL_CreateTextureFromSurface(renderer, switchlogo);
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SDL_FreeSurface(switchlogo);
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}
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col = rand_range(0, 7);
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SDL_InitSubSystem(SDL_INIT_JOYSTICK);
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SDL_JoystickEventState(SDL_ENABLE);
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SDL_JoystickOpen(0);
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SDL_InitSubSystem(SDL_INIT_AUDIO);
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Mix_AllocateChannels(5);
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Mix_OpenAudio(48000, AUDIO_S16, 2, 4096);
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// load music and sounds from files
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music = Mix_LoadMUS("data/background.ogg");
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sound[0] = Mix_LoadWAV("data/pop1.wav");
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sound[1] = Mix_LoadWAV("data/pop2.wav");
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sound[2] = Mix_LoadWAV("data/pop3.wav");
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sound[3] = Mix_LoadWAV("data/pop4.wav");
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if (music)
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Mix_PlayMusic(music, -1);
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while (!exit_requested
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&& appletMainLoop()
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) {
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while (SDL_PollEvent(&event)) {
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if (event.type == SDL_QUIT)
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exit_requested = 1;
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// use joystick
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if (event.type == SDL_JOYBUTTONDOWN) {
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printf("%d\n",event.jbutton.button);
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if (event.jbutton.button == JOY_UP)
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if (wait > 0)
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wait--;
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if (event.jbutton.button == JOY_DOWN)
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if (wait < 100)
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wait++;
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if (event.jbutton.button == JOY_PLUS)
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exit_requested = 1;
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if (event.jbutton.button == JOY_B)
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trail =! trail;
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}
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}
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// set position and bounce on the walls
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pos.y += vel_y;
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pos.x += vel_x;
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if (pos.x + pos.w > SCREEN_W) {
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pos.x = SCREEN_W - pos.w;
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vel_x = -rand_range(1, 5);
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col = rand_range(0, 4);
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snd = rand_range(0, 3);
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if (sound[snd])
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Mix_PlayChannel(-1, sound[snd], 0);
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}
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if (pos.x < 0) {
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pos.x = 0;
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vel_x = rand_range(1, 5);
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col = rand_range(0, 4);
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snd = rand_range(0, 3);
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if (sound[snd])
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Mix_PlayChannel(-1, sound[snd], 0);
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}
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if (pos.y + pos.h > SCREEN_H) {
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pos.y = SCREEN_H - pos.h;
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vel_y = -rand_range(1, 5);
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col = rand_range(0, 4);
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snd = rand_range(0, 3);
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if (sound[snd])
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Mix_PlayChannel(-1, sound[snd], 0);
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}
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if (pos.y < 0) {
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pos.y = 0;
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vel_y = rand_range(1, 5);
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col = rand_range(0, 4);
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snd = rand_range(0, 3);
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if (sound[snd])
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Mix_PlayChannel(-1, sound[snd], 0);
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}
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if (!trail) {
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SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0xFF);
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SDL_RenderClear(renderer);
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}
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// put logos on screen
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if (sdllogo_tex)
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SDL_RenderCopy(renderer, sdllogo_tex, NULL, &sdl_pos);
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if (switchlogo_tex) {
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SDL_SetTextureColorMod(switchlogo_tex, colors[col].r, colors[col].g, colors[col].b);
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SDL_RenderCopy(renderer, switchlogo_tex, NULL, &pos);
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}
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SDL_RenderPresent(renderer);
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SDL_Delay(wait);
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}
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// stop sounds and free loaded data
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Mix_HaltChannel(-1);
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Mix_FreeMusic(music);
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for (snd = 0; snd < 4; snd++)
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if (sound[snd])
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Mix_FreeChunk(sound[snd]);
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IMG_Quit();
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Mix_CloseAudio();
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Mix_Quit();
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SDL_Quit();
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romfsExit();
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return 0;
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}
|
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