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https://github.com/GRRLIB/GRRLIB.git
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Rebase old "3D_test" branch onto master
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Crayon2000
parent
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commit
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7 changed files with 1729 additions and 0 deletions
1405
GRRLIB/GRRLIB/GRRLIB_3Dobj.c
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1405
GRRLIB/GRRLIB/GRRLIB_3Dobj.c
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File diff suppressed because it is too large
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@ -161,6 +161,71 @@ typedef struct GRRLIB_Font {
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bool kerning; /**< true whenever a face object contains kerning data that can be accessed with FT_Get_Kerning. */
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} GRRLIB_ttfFont;
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//------------------------------------------------------------------------------
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/**
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* Structure that defines a material in a model.
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*/
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typedef struct _GRRLIB_Material {
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char* name; /**< Name of material (newmtl).*/
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u8 diffuse[3]; /**< Diffuse component (Kd). */
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u8 ambient[3]; /**< Ambient component (Ka). */
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u8 specular[3]; /**< Specular component (Ks). */
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u8 alpha; /**< Transparency of the material (d or Tr). */
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GRRLIB_texImg* diffusetex; /**< Diffuse texture map (map_Kd). */
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GRRLIB_texImg* ambienttex; /**< Ambient texture map (map_Ka). */
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GRRLIB_texImg* speculartex; /**< Specular texture map (map_Ks). */
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f32 shininess; /**< Specular exponent (Ns).*/
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} GRRLIB_Material;
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/**
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* Structure that defines a group in a model.
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*/
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typedef struct _GRRLIB_Group {
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char* name; /**< Name of this group. */
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u32 numtriangles; /**< Number of triangles in this group. */
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u32* triangles; /**< Array of triangle indices. */
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u32 material; /**< Index to material for group. */
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struct _GRRLIB_Group* next; /**< Pointer to next group in model. */
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} GRRLIB_Group;
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/**
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* Structure that defines a triangle in a model.
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*/
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typedef struct {
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u32 vindices[3]; /**< Array of triangle vertex indices. */
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u32 nindices[3]; /**< Array of triangle normal indices. */
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u32 tindices[3]; /**< Array of triangle texcoord indices.*/
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u32 findex; /**< Index of triangle facet normal. */
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} GRRLIB_Triangle;
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/**
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* Structure that defines a model.
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*/
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typedef struct {
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char* pathname; /**< Path to this model. */
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char* mtllibname; /**< Name of the material library. */
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u32 numvertices; /**< Number of vertices in model. */
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f32* vertices; /**< Array of vertices. */
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u32 numnormals; /**< Number of normals in model. */
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f32* normals; /**< Array of normals. */
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u32 numtexcoords; /**< Number of texcoords in model. */
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f32* texcoords; /**< Array of texture coordinates. */
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u32 numfacetnorms; /**< Number of facetnorms in model. */
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f32* facetnorms; /**< Array of facetnorms. */
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u32 numtriangles; /**< Number of triangles in model. */
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GRRLIB_Triangle* triangles; /**< Array of triangles. */
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u32 nummaterials; /**< Number of materials in model. */
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GRRLIB_Material* materials; /**< Array of materials. */
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u32 numgroups; /**< Number of groups in model. */
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GRRLIB_Group* groups; /**< Linked list of groups. */
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guVector position; /**< Position of the model. */
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} GRRLIB_Model;
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//==============================================================================
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// Allow general access to screen and frame information
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//==============================================================================
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@ -183,5 +183,17 @@ void GRRLIB_PrintfTTFW(int x, int y, GRRLIB_ttfFont *myFont, const wchar_t *stri
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u32 GRRLIB_WidthTTF(GRRLIB_ttfFont *myFont, const char *, unsigned int);
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u32 GRRLIB_WidthTTFW(GRRLIB_ttfFont *myFont, const wchar_t *, unsigned int);
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//------------------------------------------------------------------------------
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// GRRLIB_3Dobj.c - 3D obj file functions for GRRLIB
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void GRRLIB_Draw3dObj(GRRLIB_Model* model);
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GRRLIB_Model* GRRLIB_ReadOBJ(char* filename);
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GRRLIB_Model* GRRLIB_ReadOBJMem(const char *buffer, u32 size);
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void GRRLIB_DeleteObj(GRRLIB_Model* model);
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void GRRLIB_VertexNormals(GRRLIB_Model* model, f32 angle);
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void GRRLIB_FacetNormals(GRRLIB_Model* model);
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void GRRLIB_LinearTexture(GRRLIB_Model* model);
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void GRRLIB_SpheremapTexture(GRRLIB_Model* model);
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u32 GRRLIB_FindMaterial(GRRLIB_Model* model, char* name);
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#endif // __GRRLIB_FNLIB_H__
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/** @} */ // end of group
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146
examples/3D_obj/Makefile
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146
examples/3D_obj/Makefile
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@ -0,0 +1,146 @@
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#---------------------------------------------------------------------------------
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# Clear the implicit built in rules
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#---------------------------------------------------------------------------------
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.SUFFIXES:
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#---------------------------------------------------------------------------------
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ifeq ($(strip $(DEVKITPPC)),)
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$(error "Please set DEVKITPPC in your environment. export DEVKITPPC=<path to>devkitPPC")
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endif
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include $(DEVKITPPC)/wii_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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# INCLUDES is a list of directories containing extra header files
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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 :=
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#---------------------------------------------------------------------------------
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# options for code generation
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#---------------------------------------------------------------------------------
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CFLAGS = -g -O2 -Wall $(MACHDEP) $(INCLUDE)
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CXXFLAGS = $(CFLAGS)
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LDFLAGS = -g $(MACHDEP) -Wl,-Map,$(notdir $@).map
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#---------------------------------------------------------------------------------
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# any extra libraries we wish to link with the project
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#---------------------------------------------------------------------------------
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LIBS := -lgrrlib -lfreetype -lpngu -lpng -ljpeg -lz -lfat
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LIBS += -lwiiuse
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#LIBS += -lmodplay -lasnd
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LIBS += -lbte -logc -lm
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#---------------------------------------------------------------------------------
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# list of directories containing libraries, this must be the top level containing
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# include and lib
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#---------------------------------------------------------------------------------
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LIBDIRS :=
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#---------------------------------------------------------------------------------
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# no real need to edit anything past this point unless you need to add additional
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# rules for different file extensions
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#---------------------------------------------------------------------------------
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ifneq ($(BUILD),$(notdir $(CURDIR)))
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#---------------------------------------------------------------------------------
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export OUTPUT := $(CURDIR)/$(TARGET)
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export 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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#---------------------------------------------------------------------------------
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# automatically build a list of object files for our project
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#---------------------------------------------------------------------------------
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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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SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.S)))
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BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
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#---------------------------------------------------------------------------------
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# use CXX for linking C++ projects, CC for standard C
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#---------------------------------------------------------------------------------
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ifeq ($(strip $(CPPFILES)),)
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export LD := $(CC)
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else
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export LD := $(CXX)
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endif
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export OFILES := $(addsuffix .o,$(BINFILES)) \
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$(CPPFILES:.cpp=.o) $(CFILES:.c=.o) \
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$(sFILES:.s=.o) $(SFILES:.S=.o)
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#---------------------------------------------------------------------------------
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# build a list of include paths
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#---------------------------------------------------------------------------------
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export INCLUDE := $(foreach dir,$(INCLUDES), -iquote $(CURDIR)/$(dir)) \
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$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
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-I$(CURDIR)/$(BUILD) \
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-I$(LIBOGC_INC)
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#---------------------------------------------------------------------------------
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# build a list of library paths
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#---------------------------------------------------------------------------------
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export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib) \
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-L$(LIBOGC_LIB)
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export OUTPUT := $(CURDIR)/$(TARGET)
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.PHONY: $(BUILD) clean
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#---------------------------------------------------------------------------------
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$(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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@rm -fr $(BUILD) $(OUTPUT).elf $(OUTPUT).dol
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#---------------------------------------------------------------------------------
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run:
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wiiload $(TARGET).dol
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#---------------------------------------------------------------------------------
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else
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DEPENDS := $(OFILES:.o=.d)
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#---------------------------------------------------------------------------------
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# main targets
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#---------------------------------------------------------------------------------
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$(OUTPUT).dol: $(OUTPUT).elf
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$(OUTPUT).elf: $(OFILES)
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#---------------------------------------------------------------------------------
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# This rule links in binary data with the .jpg extension
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#---------------------------------------------------------------------------------
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%.jpg.o : %.jpg
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#---------------------------------------------------------------------------------
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@echo $(notdir $<)
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$(bin2o)
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#---------------------------------------------------------------------------------
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# This rule links in binary data with the .png extension
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#---------------------------------------------------------------------------------
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%.png.o : %.png
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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
examples/3D_obj/data/font.png
Normal file
BIN
examples/3D_obj/data/font.png
Normal file
Binary file not shown.
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After Width: | Height: | Size: 932 B |
BIN
examples/3D_obj/data/texture.jpg
Normal file
BIN
examples/3D_obj/data/texture.jpg
Normal file
Binary file not shown.
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After Width: | Height: | Size: 160 KiB |
101
examples/3D_obj/source/main.c
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101
examples/3D_obj/source/main.c
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@ -0,0 +1,101 @@
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/*===========================================
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Loading obj file example.
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============================================*/
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#include <grrlib.h>
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#include <stdlib.h>
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#include <wiiuse/wpad.h>
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// Graphics
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#include "texture_jpg.h"
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#include "font_png.h"
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int main() {
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f32 modelRotX = 0.0f;
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f32 modelRotY = 0.0f;
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f32 modelRotZ = 0.0f;
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f32 camZ = 50.0f;
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u8 Amb = 0x00;
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f32 zlight = 0.0f;
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GRRLIB_Model* model;
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const char strCtl1[] = "DPAD TO ROTATE MODEL";
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const char strCtl2[] = "PLUS/MINUS TO ZOOM MODEL";
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const char strCredit[] = "BY NONAMENO/CRAYON FROM GRRLIB TEAM";
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GRRLIB_Init();
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WPAD_Init();
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GRRLIB_texImg *tex_font = GRRLIB_LoadTexture(font_png);
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GRRLIB_InitTileSet(tex_font, 16, 16, 32);
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GRRLIB_texImg *tex_obj = GRRLIB_LoadTextureJPGEx(texture_jpg, texture_jpg_size);
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GRRLIB_SetBackgroundColour(0x30, 0x30, 0x30, 0xFF);
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model = GRRLIB_ReadOBJ("sd:/data/head_chord.obj");
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if(model->numnormals == 0) {
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GRRLIB_FacetNormals(model);
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GRRLIB_VertexNormals(model, 90.0);
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}
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if(model->numtexcoords == 0) {
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GRRLIB_LinearTexture(model);
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}
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while(1) {
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GRRLIB_Camera3dSettings(0.0f,0.0f,camZ, 0,1,0, 0,0,0);
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GRRLIB_3dMode(0.1, 1000, 45, model->numtexcoords, model->numnormals);
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if(model->numtexcoords) {
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GRRLIB_SetTexture(tex_obj, 0);
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}
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GRRLIB_ObjectView(0, 0, 0, modelRotX, modelRotY, modelRotZ, 1, 1, 1);
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GRRLIB_SetLightAmbient(RGBA(Amb,Amb,Amb,0xFF));
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GRRLIB_SetLightDiff(0, (guVector){-6, 0, zlight}, 20.0f, 1.0f, 0xFFFFFFFF);
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GRRLIB_SetLightDiff(1, (guVector){ 6, 0, zlight}, 20.0f, 1.0f, 0xFFFFFFFF);
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GRRLIB_SetLightDiff(2, (guVector){ 0,-6, zlight}, 20.0f, 1.0f, 0xFFFFFFFF);
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GRRLIB_Draw3dObj(model);
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GRRLIB_SetLightOff();
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GRRLIB_2dMode();
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GRRLIB_Printf(rmode->fbWidth/2.0 - (tex_font->tilew*strlen(strCtl1))/2.0, 20,
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tex_font, 0xFFFFFF33, 1, strCtl1);
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GRRLIB_Printf(rmode->fbWidth/2.0 - (tex_font->tilew*strlen(strCtl2))/2.0, 52,
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tex_font, 0xFFFFFF33, 1, strCtl2);
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GRRLIB_Printf(rmode->fbWidth/2.0 - (tex_font->tilew*strlen(strCredit))/2.0,
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rmode->efbHeight - tex_font->tileh - 7,
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tex_font, 0xFFFFFF33, 1, strCredit);
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GRRLIB_Render();
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WPAD_ScanPads();
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if(WPAD_ButtonsDown(0) & WPAD_BUTTON_HOME) break;
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if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_RIGHT) modelRotY++;
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if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_LEFT) modelRotY--;
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if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_DOWN) modelRotX++;
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if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_UP) modelRotX--;
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if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_PLUS) camZ -= 0.3f;
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if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_MINUS) camZ += 0.3f;
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if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_A) zlight += 0.4f;
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if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_B) zlight -= 0.4f;
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if(WPAD_ButtonsHeld(0) & WPAD_BUTTON_1 && WPAD_ButtonsHeld(0) & WPAD_BUTTON_2) {
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WPAD_Rumble(0, true); // Rumble on
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GRRLIB_ScrShot("sd:/grrlib_3d.png");
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WPAD_Rumble(0, false); // Rumble off
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}
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}
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GRRLIB_Exit(); // Be a good boy, clear the memory allocated by GRRLIB
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GRRLIB_DeleteObj(model);
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GRRLIB_FreeTexture(tex_obj);
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GRRLIB_FreeTexture(tex_font);
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exit(0);
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}
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