Skip to content

Commit

Permalink
Renamings in raster line drawing
Browse files Browse the repository at this point in the history
  • Loading branch information
@GrimSqueaker
GrimSqueaker committed Feb 1, 2025
1 parent ca33e50 commit 6c3d9d8
Showing 1 changed file with 32 additions and 34 deletions.
66 changes: 32 additions & 34 deletions remc2/engine/GameRenderHD.cpp
View file
Original file line number Diff line number Diff line change
Expand Up @@ -5326,10 +5326,10 @@ void GameRenderHD::DrawSprite_41BD3(uint32 a1)


void DrawPolygonRasterLine_single_color_subB6253(
Rasterline_t *raster_lines, uint8_t startLine, uint8_t drawEveryNthLine,
Rasterline_t *pRasterLines, uint8_t startLine, uint8_t drawEveryNthLine,
uint8_t **pv1102, char local_x_BYTE_E126C, int triLn_v1123)
{
Rasterline_t* next_raster_line = raster_lines;
Rasterline_t* next_raster_line = pRasterLines;

uint8_t* v170 = *pv1102;

Expand Down Expand Up @@ -5382,22 +5382,22 @@ void DrawPolygonRasterLine_single_color_subB6253(


void DrawPolygonRasterLine_subB6253(
Rasterline_t *raster_lines, uint8_t startLine, uint8_t drawEveryNthLine,
Rasterline_t *pRasterLines, uint8_t startLine, uint8_t drawEveryNthLine,
uint32_t Vincrement, uint32_t BrightnessIncrement, uint8_t **pv1102, int Uincrement,
uint8_t *actTexture, int triLn_v1123)
const uint8_t *pTexture, int triLn_v1123)
{
Rasterline_t* next_raster_line = raster_lines;
Rasterline_t* next_raster_line = pRasterLines;
Rasterline_t* current_raster_line;

uint8_t line6 = startLine;

uint32_t v1167 = Vincrement << 16;
uint32_t v1183 = BrightnessIncrement << 16;
uint32_t fixedpointVincrement = Vincrement << 16;
uint32_t fixedpointBrightnessIncrement = BrightnessIncrement << 16;

uint8_t v18;
uint8_t v180;
uint32_t v375;
uint32_t v376;
uint32_t textureIndex;
int v378;
uint8_t* v379; // pixel position in screen buffer
uint16_t v380;
Expand All @@ -5407,11 +5407,10 @@ void DrawPolygonRasterLine_subB6253(
int32_t v384;
int16_t v385;
int16_t v386;
uint8_t* v388;
uint8_t* v389;
uint8_t* currentPixel;

HIWORD(v375) = 0;
HIWORD(v376) = 0;
HIWORD(textureIndex) = 0;

if (CommandLineParams.DoTestRenderers()) { renderer_tests_register_hit(RendererTestsHitCheckpoint::HD_BYTE_E126D_case_5_v377); }
while (1)
Expand All @@ -5433,34 +5432,33 @@ void DrawPolygonRasterLine_subB6253(
v380 = (uint16_t)-(int16_t)v375;
v381 = v380;
v383 = __SWAP_HILOWORD__(current_raster_line->V + Vincrement * v380);
BYTE1(v376) = v383;
BYTE1(textureIndex) = v383;
v382 = current_raster_line->U + Uincrement * v380;
LOWORD(v383) = v382;
v375 = v382 >> 8;
LOBYTE(v376) = BYTE1(v375);
LOBYTE(textureIndex) = BYTE1(v375);
v384 = __SWAP_HILOWORD__(current_raster_line->brightness + BrightnessIncrement * v381);
BYTE1(v375) = v384;
LOWORD(v384) = HIWORD(current_raster_line->endX);
v375 = (uint16_t)v375;
if ((int16_t)v384 > (int16_t)viewPort.Width_DE564)
LOWORD(v384) = viewPort.Width_DE564;
LABEL_493:
v388 = &v379[0];
v389 = actTexture;
currentPixel = &v379[0];
while (1)
{
v180 = __CFADD__((x_WORD)Uincrement, (x_WORD)v383);
LOWORD(v383) = Uincrement + v383;
LOBYTE(v375) = *(x_BYTE*)(v376 + v389);
LOBYTE(v376) = BYTE2(Uincrement) + v180 + v376;
v180 = __CFADD__(v1167, v383);
v383 += v1167;
v376 = GameRenderHD::SumByte1WithByte2(v376, Vincrement, v180);
v180 = __CFADD__(v1183, v384);
v384 += v1183;
v388[0] = x_BYTE_F6EE0_tablesx[v375];
LOBYTE(v375) = pTexture[textureIndex];
LOBYTE(textureIndex) = BYTE2(Uincrement) + v180 + textureIndex;
v180 = __CFADD__(fixedpointVincrement, v383);
v383 += fixedpointVincrement;
textureIndex = GameRenderHD::SumByte1WithByte2(textureIndex, Vincrement, v180);
v180 = __CFADD__(fixedpointBrightnessIncrement, v384);
v384 += fixedpointBrightnessIncrement;
currentPixel[0] = x_BYTE_F6EE0_tablesx[v375];
v375 = GameRenderHD::SumByte1WithByte2(v375, BrightnessIncrement, v180);
v388 += 1;
currentPixel += 1;
v18 = __OFSUB__((x_WORD)v384, 1);
LOWORD(v384) = v384 - 1;
if ((uint8_t)(((v384 & 0x8000u) != 0) ^ v18) | ((x_WORD)v384 == 0))
Expand All @@ -5479,10 +5477,10 @@ void DrawPolygonRasterLine_subB6253(
if ((uint8_t)((v385 < 0) ^ v18) | (v385 == 0))
goto LABEL_510;
v379 += v375;
LOBYTE(v376) = BYTE2(current_raster_line->U);
LOBYTE(textureIndex) = BYTE2(current_raster_line->U);
v383 = __SWAP_HILOWORD__(current_raster_line->V);
v386 = v385;
BYTE1(v376) = v383;
BYTE1(textureIndex) = v383;
LOWORD(v383) = LOWORD(current_raster_line->U);
v384 = __SWAP_HILOWORD__(current_raster_line->brightness);
BYTE1(v375) = v384;
Expand All @@ -5492,12 +5490,12 @@ void DrawPolygonRasterLine_subB6253(


void DrawPolygonRasterLine_flat_shading_subB6253(
Rasterline_t *raster_lines, uint8_t startLine, uint8_t drawEveryNthLine,
Rasterline_t *pRasterLines, uint8_t startLine, uint8_t drawEveryNthLine,
uint32_t Vincrement, uint8_t **pv1102, int Uincrement,
uint8_t *actTexture, char local_x_BYTE_E126C, int triLn_v1123)
uint8_t *pTexture, char local_x_BYTE_E126C, int triLn_v1123)
{
// flat shading and reflections enabled
Rasterline_t *next_raster_line = raster_lines;
Rasterline_t *next_raster_line = pRasterLines;

uint8_t line8 = startLine;

Expand Down Expand Up @@ -5547,7 +5545,7 @@ void DrawPolygonRasterLine_flat_shading_subB6253(
v406 = (uint16_t)v413;
LABEL_583:
v1278 = next_raster_line;
v414 = actTexture;
v414 = pTexture;
BYTE1(v406) = local_x_BYTE_E126C;
while (1)
{
Expand Down Expand Up @@ -5588,13 +5586,13 @@ void DrawPolygonRasterLine_flat_shading_subB6253(


void DrawPolygonRasterLine_reflections_subB6253(
Rasterline_t *raster_lines, uint8_t startLine, uint8_t drawEveryNthLine,
Rasterline_t *pRasterLines, uint8_t startLine, uint8_t drawEveryNthLine,
uint32_t Vincrement, int Uincrement,
uint32_t BrightnessIncrement, uint8_t **pv1102,
uint8_t *actTexture, int triLn_v1123//, char local_x_BYTE_E126C
uint8_t *pTexture, int triLn_v1123//, char local_x_BYTE_E126C
)
{
Rasterline_t *next_raster_line = raster_lines;
Rasterline_t *next_raster_line = pRasterLines;
uint8_t line25 = startLine;

int VincrementFixedPoint = Vincrement << 16;
Expand Down Expand Up @@ -5649,7 +5647,7 @@ void DrawPolygonRasterLine_reflections_subB6253(
v1046 = (unsigned __int16)v1046;
LABEL_1294:
v1291 = next_raster_line;
v1055 = actTexture;
v1055 = pTexture;
while (1)
{
LOBYTE(v1046) = *(x_BYTE*)(v1047 + v1055);
Expand Down

0 comments on commit 6c3d9d8

Please sign in to comment.