// dllmain.cpp: определяет точку входа для приложения DLL.
#include "stdafx.h"


Patcher * globalPatcher;
PatcherInstance *patcher;

int __stdcall CharPixelDraw(LoHook* h, HookContext* c)
{


    int bg_r =  *(unsigned short*)(c->edx) >> 11;
    int bg_g = (*(unsigned short*)(c->edx) >> 5) & 0x3F;
    int bg_b =  *(unsigned short*)(c->edx) & 0x1F;

    int bg_r8 = bg_r << 3;
    int bg_g8 = bg_g << 2;
    int bg_b8 = bg_b << 3;

    int fnt_r =  (unsigned short)(c->eax) >> 11;
    int fnt_g = ((unsigned short)(c->eax) >> 5) & 0x3F;
    int fnt_b =  (unsigned short)(c->eax) & 0x1F;

    int fnt_r8 = fnt_r << 3;
    int fnt_g8 = fnt_g << 2;
    int fnt_b8 = fnt_b << 3;

    int pixel_type = *(unsigned char*)(c->esi - 1);

    float alpha[] = {1, 0,
          4.0/256,  16.0/256,  24.0/256,  36.0/256,  44.0/256,
         56.0/256,  64.0/256,  72.0/256,  84.0/256,  92.0/256,
        104.0/256, 112.0/256, 124.0/256, 132.0/256, 144.0/256,
        152.0/256, 164.0/256, 172.0/256, 180.0/256, 192.0/256,
        200.0/256, 212.0/256, 220.0/256, 232.0/256, 240.0/256};



    *(unsigned short*)(c->edx) = (unsigned short)c->eax;

    if (pixel_type == 254)
    {
         *(unsigned short*)(c->edx) = RGB565_fromR8G8B8(    bg_r8/2,
                                                            bg_g8/2,
                                                            bg_b8/2);
    }

    if(pixel_type >= 1 && pixel_type <=26)
    {
        *(unsigned short*)(c->edx) = RGB565_fromR8G8B8(     (unsigned char)(fnt_r8 * alpha[pixel_type]),
                                                            (unsigned char)(fnt_g8 * alpha[pixel_type]),
                                                            (unsigned char)(fnt_b8 * alpha[pixel_type])   );
    }


    //*(short*)(c->edx) = rbo[c->edx/2%7];

    c->return_address = 0x4B4F88;
    return NO_EXEC_DEFAULT;
}

void __stdcall PatchIt2 (PEvent e)
{
        patcher->WriteLoHook(0x4B4F79,(void*)CharPixelDraw);
        patcher->WriteCodePatch(0x4B4F6F,"%n",2);
}

BOOL APIENTRY DllMain( HMODULE hModule,
                       DWORD  ul_reason_for_call,
                       LPVOID lpReserved
                     )
{
    if (ul_reason_for_call == DLL_PROCESS_ATTACH)
    {
        globalPatcher = GetPatcher();
        patcher =  globalPatcher->CreateInstance("h2sw_fonts");
        ConnectEra();

        RegisterHandler(PatchIt2,"OnAfterCreateWindow");
    }
    return TRUE;
}