/*
Copyright (C) 2002 Rice1964

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/

// Sprite2D Ucodes

#include "Render.h"

Sprite2DInfo g_Sprite2DInfo;
uint32_t g_SavedUcode=1;
 
void RSP_GBI_Sprite2DBase(Gfx *gfx)
{
   int8_t *rdram_s8 = (int8_t*)gfx_info.RDRAM;
   uint32_t dwAddr = RSPSegmentAddr((gfx->words.w1));
   dwAddr &= (g_dwRamSize-1);

   //RSP_RDP_NOIMPL("RDP: Sprite2D (0x%08x 0x%08x)", (gfx->words.w0), (gfx->words.w1));

   g_Sprite2DInfo.spritePtr = (SpriteStruct *)(rdram_s8 + dwAddr);
}

typedef struct{
    uint32_t SourceImagePointer;
    uint32_t TlutPointer;

    short SubImageWidth;
    short Stride;

    char  SourceImageBitSize;
    char  SourceImageType;
    short SubImageHeight;

    short scaleY;
    short scaleX;

    short SourceImageOffsetS;
    char  dummy1[2]; 

    short px;
    short SourceImageOffsetT;

    char  dummy2[2]; 
    short py;

} PuzzleMasterSprite;

void RSP_GBI_Sprite2D_PuzzleMaster64(Gfx *gfx)
{
   int8_t *rdram_s8 = (int8_t*)gfx_info.RDRAM;
    uint32_t dwAddr = RSPSegmentAddr((gfx->words.w1));
    dwAddr &= (g_dwRamSize-1);

    g_Sprite2DInfo.spritePtr = (SpriteStruct *)(rdram_s8 + dwAddr);

    g_Sprite2DInfo.flipX = 0;
    g_Sprite2DInfo.flipY = 0;
    g_Sprite2DInfo.px = 0;
    g_Sprite2DInfo.py = 0;

    SpriteStruct tempInfo;
    memcpy(&tempInfo, g_Sprite2DInfo.spritePtr, sizeof(SpriteStruct));
    PuzzleMasterSprite info;
    memcpy(&info, g_Sprite2DInfo.spritePtr, sizeof(PuzzleMasterSprite));

    g_Sprite2DInfo.px = info.px>>2;
    g_Sprite2DInfo.py = info.py>>2;
    g_Sprite2DInfo.scaleX = info.scaleX / 1024.0f;
    g_Sprite2DInfo.scaleY = info.scaleY / 1024.0f;

    tempInfo.SourceImageOffsetS = info.SourceImageOffsetS;
    tempInfo.SourceImageOffsetT = info.SourceImageOffsetT;
    g_Sprite2DInfo.spritePtr = &tempInfo;

    CRender::g_pRender->DrawSprite2D(g_Sprite2DInfo, 1);
}


void RSP_GBI1_Sprite2DDraw(Gfx *gfx)
{
    // This ucode is shared by PopMtx and gSPSprite2DDraw
    g_Sprite2DInfo.px = (short)(((gfx->words.w1)>>16)&0xFFFF)/4;
    g_Sprite2DInfo.py = (short)((gfx->words.w1)&0xFFFF)/4;

    //RSP_RDP_NOIMPL("gSPSprite2DDraw is not implemented", (gfx->words.w0), (gfx->words.w1));
    CRender::g_pRender->DrawSprite2D(g_Sprite2DInfo, 1);

    LoadedUcodeMap[RSP_SPRITE2D_SCALEFLIP] = &RSP_GBI1_CullDL;
    LoadedUcodeMap[RSP_SPRITE2D_DRAW] = &RSP_GBI1_PopMtx;
    LoadedUcodeMap[RSP_SPRITE2D_BASE] = &RSP_GBI1_Sprite2DBase;

}

void RSP_GBI0_Sprite2DDraw(Gfx *gfx)
{
    // This ucode is shared by PopMtx and gSPSprite2DDraw
    g_Sprite2DInfo.px = (short)(((gfx->words.w1)>>16)&0xFFFF)/4;
    g_Sprite2DInfo.py = (short)((gfx->words.w1)&0xFFFF)/4;

    //RSP_RDP_NOIMPL("gSPSprite2DDraw is not implemented", (gfx->words.w0), (gfx->words.w1));
    CRender::g_pRender->DrawSprite2D(g_Sprite2DInfo, 0);
}


void RSP_GBI1_Sprite2DScaleFlip(Gfx *gfx)
{
    g_Sprite2DInfo.scaleX = (((gfx->words.w1)>>16)&0xFFFF)/1024.0f;
    g_Sprite2DInfo.scaleY = ((gfx->words.w1)&0xFFFF)/1024.0f;

    if( ((gfx->words.w1)&0xFFFF) < 0x100 )
    {
        g_Sprite2DInfo.scaleY = g_Sprite2DInfo.scaleX;
    }

    g_Sprite2DInfo.flipX = (uint8_t)(((gfx->words.w0)>>8)&0xFF);
    g_Sprite2DInfo.flipY = (uint8_t)((gfx->words.w0)&0xFF);
    //RSP_RDP_NOIMPL("RSP_SPRITE2D_SCALEFLIP is not implemented", (gfx->words.w0), (gfx->words.w1));
}


void RSP_GBI1_Sprite2DBase(Gfx *gfx)
{
    if( !status.bUseModifiedUcodeMap )
    {
        memcpy( &LoadedUcodeMap, &ucodeMap1, sizeof(UcodeMap));
        status.bUseModifiedUcodeMap = true;
    }

    LoadedUcodeMap[RSP_SPRITE2D_BASE] = &RSP_GBI_Sprite2DBase;
    LoadedUcodeMap[RSP_SPRITE2D_SCALEFLIP] = &RSP_GBI1_Sprite2DScaleFlip;
    LoadedUcodeMap[RSP_SPRITE2D_DRAW] = &RSP_GBI1_Sprite2DDraw;

    TRACE0("Adding Sprite2D ucodes to ucode 1");
    RSP_GBI_Sprite2DBase(gfx);
}


void RSP_GBI0_Sprite2DBase(Gfx *gfx)
{
    //Weired, this ucode 0 game is using ucode 1, but sprite2D cmd is working differently from
    //normal ucode1 sprite2D game

    TRACE0("Ucode 0 game is using Sprite2D, and using ucode 1 codes, create a new ucode for me");

    RSP_GBI_Sprite2DBase(gfx);
}

