/*---------------------------------------------------------------------------* Project: TwlSDK - GX - demos - UnitTours/3D_Pol_Split File: main.c Copyright 2003-2008 Nintendo. All rights reserved. These coded instructions, statements, and computer programs contain proprietary information of Nintendo of America Inc. and/or Nintendo Company Ltd., and are protected by Federal copyright law. They may not be disclosed to third parties or copied or duplicated in any form, in whole or in part, without the prior written consent of Nintendo. $Date:: 2008-09-17#$ $Rev: 8556 $ $Author: okubata_ryoma $ *---------------------------------------------------------------------------*/ //--------------------------------------------------------------------------- // A sample that splits a plane into both LCDs. // // Switching LCD during H-Blank splits a plane into two parts. // See 'HBlankIntr(void)' and instruction above it. //--------------------------------------------------------------------------- #ifdef SDK_TWL #include #else #include #endif #include "DEMO.h" s16 gCubeGeometry[3 * 8] = { FX16_ONE, FX16_ONE, FX16_ONE, FX16_ONE, FX16_ONE, -FX16_ONE, FX16_ONE, -FX16_ONE, FX16_ONE, FX16_ONE, -FX16_ONE, -FX16_ONE, -FX16_ONE, FX16_ONE, FX16_ONE, -FX16_ONE, FX16_ONE, -FX16_ONE, -FX16_ONE, -FX16_ONE, FX16_ONE, -FX16_ONE, -FX16_ONE, -FX16_ONE }; GXRgb gCubeColor[8] = { GX_RGB(31, 31, 31), GX_RGB(31, 31, 0), GX_RGB(31, 0, 31), GX_RGB(31, 0, 0), GX_RGB(0, 31, 31), GX_RGB(0, 31, 0), GX_RGB(0, 0, 31), GX_RGB(0, 0, 0) }; static void Color(int idx) { G3_Color(gCubeColor[idx]); } static void Vtx(int idx) { G3_Vtx(gCubeGeometry[idx * 3], gCubeGeometry[idx * 3 + 1], gCubeGeometry[idx * 3 + 2]); } static void Quad(int idx0, int idx1, int idx2, int idx3) { Vtx(idx0); Vtx(idx1); Vtx(idx2); Vtx(idx3); } static void ColVtxQuad(int idx0, int idx1, int idx2, int idx3) { Color(idx0); Vtx(idx0); Color(idx1); Vtx(idx1); Color(idx2); Vtx(idx2); Color(idx3); Vtx(idx3); } static void drawLeftCube(u16 Rotate) { G3_PushMtx(); // Rotate and translate G3_Translate(-3 << (FX32_SHIFT - 1), 0, 0); { fx16 s = FX_SinIdx(Rotate); fx16 c = FX_CosIdx(Rotate); G3_RotX(s, c); G3_RotY(s, c); G3_RotZ(s, c); } G3_MaterialColorDiffAmb(GX_RGB(31, 31, 31), // diffuse GX_RGB(16, 16, 16), // ambient FALSE // use diffuse as vtx color if TRUE ); G3_MaterialColorSpecEmi(GX_RGB(16, 16, 16), // specular GX_RGB(0, 0, 0), // emission FALSE // use shininess table if TRUE ); G3_PolygonAttr(GX_LIGHTMASK_NONE, // disable lights GX_POLYGONMODE_MODULATE, // modulation mode GX_CULL_BACK, // cull back 0, // polygon ID(0 - 63) 31, // alpha(0 - 31) 0 // OR of GXPolygonAttrMisc's value ); //--------------------------------------------------------------------------- // Draw a cube: // Specify different colors for the planes. //--------------------------------------------------------------------------- G3_Begin(GX_BEGIN_QUADS); { Color(3); Quad(2, 0, 4, 6); Color(4); Quad(7, 5, 1, 3); Color(5); Quad(6, 4, 5, 7); Color(2); Quad(3, 1, 0, 2); Color(6); Quad(5, 4, 0, 1); Color(1); Quad(6, 7, 3, 2); } G3_End(); G3_PopMtx(1); } static void drawRightCube(u16 Rotate) { G3_PushMtx(); // Rotate and translate G3_Translate(3 << (FX32_SHIFT - 1), 0, 0); { fx16 s = FX_SinIdx(Rotate); fx16 c = FX_CosIdx(Rotate); G3_RotX(s, c); G3_RotY(s, c); G3_RotZ(s, c); } G3_MaterialColorDiffAmb(GX_RGB(31, 31, 31), // diffuse GX_RGB(16, 16, 16), // ambient FALSE // use diffuse as vtx color if TRUE ); G3_MaterialColorSpecEmi(GX_RGB(16, 16, 16), // specular GX_RGB(0, 0, 0), // emission FALSE // use shininess table if TRUE ); G3_PolygonAttr(GX_LIGHTMASK_NONE, // disable lights GX_POLYGONMODE_MODULATE, // modulation mode GX_CULL_BACK, // cull back 0, // polygon ID(0 - 63) 31, // alpha(0 - 31) 0 // OR of GXPolygonAttrMisc's value ); //--------------------------------------------------------------------------- // Draw a cube: // Specify different colors for the vertices. //--------------------------------------------------------------------------- G3_Begin(GX_BEGIN_QUADS); { ColVtxQuad(2, 0, 4, 6); ColVtxQuad(7, 5, 1, 3); ColVtxQuad(6, 4, 5, 7); ColVtxQuad(3, 1, 0, 2); ColVtxQuad(5, 4, 0, 1); ColVtxQuad(6, 7, 3, 2); } G3_End(); G3_PopMtx(1); } static s32 sBoundary = 96; void HBlankIntr(void); #ifdef SDK_TWL void TwlMain(void) #else void NitroMain(void) #endif { u16 Rotate = 0; // for rotating cubes(0-65535) int sw = 0; //--------------------------------------------------------------------------- // Initialize: // They enable IRQ interrupts, initialize VRAM, and set BG #0 for 3D mode. //--------------------------------------------------------------------------- DEMOInitCommon(); DEMOInitVRAM(); DEMOInitDisplay3D(); //--------------------------------------------------------------------------- // Switch LCD during H-blank. //--------------------------------------------------------------------------- OS_SetIrqFunction(OS_IE_H_BLANK, HBlankIntr); (void)OS_EnableIrqMask(OS_IE_H_BLANK); (void)GX_HBlankIntr(TRUE); // to generate HBlank interrupt request DEMOStartDisplay(); while (1) { G3X_Reset(); DEMOReadKey(); if (DEMO_IS_PRESS(PAD_KEY_UP) && sBoundary > 1) --sBoundary; if (DEMO_IS_PRESS(PAD_KEY_DOWN) && sBoundary < 191) ++sBoundary; Rotate += 256; //--------------------------------------------------------------------------- // Set up camera matrix //--------------------------------------------------------------------------- { VecFx32 Eye = { 0, 0, FX32_ONE * 5 }; // Eye Position VecFx32 at = { 0, 0, 0 }; // Viewpoint VecFx32 vUp = { 0, FX32_ONE, 0 }; // Up G3_LookAt(&Eye, &vUp, &at, NULL); } G3_PushMtx(); drawLeftCube(Rotate); drawRightCube(Rotate); G3_PopMtx(1); // swapping the polygon list RAM, the vertex RAM, etc. G3_SwapBuffers(GX_SORTMODE_AUTO, GX_BUFFERMODE_W); #ifdef SDK_AUTOTEST GX_SetBankForLCDC(GX_VRAM_LCDC_C); EXT_TestSetVRAMForScreenShot(GX_VRAM_LCDC_C); EXT_TestScreenShot(100, 0xA51F0EEF); EXT_TestTickCounter(); #endif //SDK_AUTOTEST OS_WaitVBlankIntr(); // Waiting the end of VBlank interrupt } } //--------------------------------------------------------------------------- // HBlank interrupt function: // 1. OS_SetIrqFunction(OS_IE_H_BLANK, funcname) to register 'funcname' // at H-blank interrupt handler. // 2. OS_EnableIrqMask(OS_IE_H_BLANK) to enable H-blank interrupt. // 3. GX_HBlankIntr(TRUE) to generate H-blank interrupt request. // 4. OS_EnableIrq() to allow IRQ interrupt. //--------------------------------------------------------------------------- void HBlankIntr(void) { if (GX_GetVCount() == 0) GX_SetDispSelect((GXDispSelect)0); else if (GX_GetVCount() == sBoundary) GX_SetDispSelect((GXDispSelect)1); OS_SetIrqCheckFlag(OS_IE_H_BLANK); // checking HBlank interrupt } //--------------------------------------------------------------------------- // VBlank interrupt function: // // Interrupt handlers are registered on the interrupt table by OS_SetIRQFunction. // OS_EnableIrqMask selects IRQ interrupts to enable, and // OS_EnableIrq enables IRQ interrupts. // Notice that you have to call 'OS_SetIrqCheckFlag' to check a VBlank interrupt. //--------------------------------------------------------------------------- void VBlankIntr(void) { OS_SetIrqCheckFlag(OS_IE_V_BLANK); // checking VBlank interrupt }