diff options
Diffstat (limited to 'src/core/Radar.cpp')
-rw-r--r-- | src/core/Radar.cpp | 271 |
1 files changed, 138 insertions, 133 deletions
diff --git a/src/core/Radar.cpp b/src/core/Radar.cpp index afaceb6d..994c94ca 100644 --- a/src/core/Radar.cpp +++ b/src/core/Radar.cpp @@ -17,7 +17,7 @@ #include "SpecialFX.h" float &CRadar::m_radarRange = *(float*)0x8E281C; -CBlip (&CRadar::ms_RadarTrace)[NUMRADARBLIPS] = *(CBlip(*)[NUMRADARBLIPS]) * (uintptr*)0x6ED5E0; +sRadarTrace (&CRadar::ms_RadarTrace)[NUMRADARBLIPS] = *(sRadarTrace(*)[NUMRADARBLIPS]) * (uintptr*)0x6ED5E0; CVector2D &vec2DRadarOrigin = *(CVector2D*)0x6299B8; int32 gRadarTxdIds[64];// = (int*)0x6299C0; @@ -87,6 +87,134 @@ int CRadar::TargetMarkerId = -1; float CRadar::cachedCos; float CRadar::cachedSin; +void ClipRadarTileCoords(int32 &x, int32 &y) +{ + if (x < 0) + x = 0; + if (x > RADAR_NUM_TILES-1) + x = RADAR_NUM_TILES-1; + if (y < 0) + y = 0; + if (y > RADAR_NUM_TILES-1) + y = RADAR_NUM_TILES-1; +} + +void RequestMapSection(int32 x, int32 y) +{ + ClipRadarTileCoords(x, y); + CStreaming::RequestTxd(gRadarTxdIds[x + RADAR_NUM_TILES * y], STREAMFLAGS_DONT_REMOVE | STREAMFLAGS_DEPENDENCY); +} + +void RemoveMapSection(int32 x, int32 y) +{ + if (x >= 0 && x <= 7 && y >= 0 && y <= 7) + CStreaming::RemoveTxd(gRadarTxdIds[x + RADAR_NUM_TILES * y]); +} + +// Transform from section indices to world coordinates +void GetTextureCorners(int32 x, int32 y, CVector2D *out) +{ + x = x - RADAR_NUM_TILES/2; + y = -(y - RADAR_NUM_TILES/2); + + // bottom left + out[0].x = RADAR_TILE_SIZE * (x); + out[0].y = RADAR_TILE_SIZE * (y - 1); + + // bottom right + out[1].x = RADAR_TILE_SIZE * (x + 1); + out[1].y = RADAR_TILE_SIZE * (y - 1); + + // top right + out[2].x = RADAR_TILE_SIZE * (x + 1); + out[2].y = RADAR_TILE_SIZE * (y); + + // top left + out[3].x = RADAR_TILE_SIZE * (x); + out[3].y = RADAR_TILE_SIZE * (y); +} + + +bool IsPointInsideRadar(const CVector2D &point) +{ + if (point.x < -1.0f || point.x > 1.0f) return false; + if (point.y < -1.0f || point.y > 1.0f) return false; + return true; +} + +// clip line p1,p2 against (-1.0, 1.0) in x and y, set out to clipped point closest to p1 +int LineRadarBoxCollision(CVector2D &out, const CVector2D &p1, const CVector2D &p2) +{ + float d1, d2; + float t; + float x, y; + float shortest = 1.0f; + int edge = -1; + + // clip against left edge, x = -1.0 + d1 = -1.0f - p1.x; + d2 = -1.0f - p2.x; + if (d1 * d2 < 0.0f) { + // they are on opposite sides, get point of intersection + t = d1 / (d1 - d2); + y = (p2.y - p1.y)*t + p1.y; + if (y >= -1.0f && y <= 1.0f && t <= shortest) { + out.x = -1.0f; + out.y = y; + edge = 3; + shortest = t; + } + } + + // clip against right edge, x = 1.0 + d1 = p1.x - 1.0f; + d2 = p2.x - 1.0f; + if (d1 * d2 < 0.0f) { + // they are on opposite sides, get point of intersection + t = d1 / (d1 - d2); + y = (p2.y - p1.y)*t + p1.y; + if (y >= -1.0f && y <= 1.0f && t <= shortest) { + out.x = 1.0f; + out.y = y; + edge = 1; + shortest = t; + } + } + + // clip against top edge, y = -1.0 + d1 = -1.0f - p1.y; + d2 = -1.0f - p2.y; + if (d1 * d2 < 0.0f) { + // they are on opposite sides, get point of intersection + t = d1 / (d1 - d2); + x = (p2.x - p1.x)*t + p1.x; + if (x >= -1.0f && x <= 1.0f && t <= shortest) { + out.y = -1.0f; + out.x = x; + edge = 0; + shortest = t; + } + } + + // clip against bottom edge, y = 1.0 + d1 = p1.y - 1.0f; + d2 = p2.y - 1.0f; + if (d1 * d2 < 0.0f) { + // they are on opposite sides, get point of intersection + t = d1 / (d1 - d2); + x = (p2.x - p1.x)*t + p1.x; + if (x >= -1.0f && x <= 1.0f && t <= shortest) { + out.y = 1.0f; + out.x = x; + edge = 2; + shortest = t; + } + } + + return edge; +} + + uint8 CRadar::CalculateBlipAlpha(float dist) { #ifdef MENU_MAP @@ -889,7 +1017,7 @@ INITSAVEBUF CheckSaveHeader(buf, 'R', 'D', 'R', '\0', size - SAVE_HEADER_SIZE); for (int i = 0; i < NUMRADARBLIPS; i++) - ms_RadarTrace[i] = ReadSaveBuf<CBlip>(buf); + ms_RadarTrace[i] = ReadSaveBuf<sRadarTrace>(buf); VALIDATESAVEBUF(size); } @@ -922,12 +1050,6 @@ CRadar::LoadTextures() CTxdStore::PopCurrentTxd(); } -void RemoveMapSection(int32 x, int32 y) -{ - if (x >= 0 && x <= 7 && y >= 0 && y <= 7) - CStreaming::RemoveTxd(gRadarTxdIds[x + RADAR_NUM_TILES * y]); -} - void CRadar::RemoveRadarSections() { for (int i = 0; i < 8; i++) @@ -935,12 +1057,6 @@ void CRadar::RemoveRadarSections() RemoveMapSection(i, j); } -void CRadar::RequestMapSection(int32 x, int32 y) -{ - ClipRadarTileCoords(x, y); - CStreaming::RequestTxd(gRadarTxdIds[x + RADAR_NUM_TILES * y], STREAMFLAGS_DONT_REMOVE | STREAMFLAGS_DEPENDENCY); -} - void CRadar::SaveAllRadarBlips(uint8 *buf, uint32 *size) { *size = SAVE_HEADER_SIZE + sizeof(ms_RadarTrace); @@ -1239,121 +1355,6 @@ void CRadar::TransformRealWorldPointToRadarSpace(CVector2D &out, const CVector2D out.y = c * y - s * x; } -// Transform from section indices to world coordinates -void CRadar::GetTextureCorners(int32 x, int32 y, CVector2D *out) -{ - x = x - RADAR_NUM_TILES/2; - y = -(y - RADAR_NUM_TILES/2); - - // bottom left - out[0].x = RADAR_TILE_SIZE * (x); - out[0].y = RADAR_TILE_SIZE * (y - 1); - - // bottom right - out[1].x = RADAR_TILE_SIZE * (x + 1); - out[1].y = RADAR_TILE_SIZE * (y - 1); - - // top right - out[2].x = RADAR_TILE_SIZE * (x + 1); - out[2].y = RADAR_TILE_SIZE * (y); - - // top left - out[3].x = RADAR_TILE_SIZE * (x); - out[3].y = RADAR_TILE_SIZE * (y); -} - -void CRadar::ClipRadarTileCoords(int32 &x, int32 &y) -{ - if (x < 0) - x = 0; - if (x > RADAR_NUM_TILES-1) - x = RADAR_NUM_TILES-1; - if (y < 0) - y = 0; - if (y > RADAR_NUM_TILES-1) - y = RADAR_NUM_TILES-1; -} - - -bool CRadar::IsPointInsideRadar(const CVector2D &point) -{ - if (point.x < -1.0f || point.x > 1.0f) return false; - if (point.y < -1.0f || point.y > 1.0f) return false; - return true; -} - -// clip line p1,p2 against (-1.0, 1.0) in x and y, set out to clipped point closest to p1 -int CRadar::LineRadarBoxCollision(CVector2D &out, const CVector2D &p1, const CVector2D &p2) -{ - float d1, d2; - float t; - float x, y; - float shortest = 1.0f; - int edge = -1; - - // clip against left edge, x = -1.0 - d1 = -1.0f - p1.x; - d2 = -1.0f - p2.x; - if (d1 * d2 < 0.0f) { - // they are on opposite sides, get point of intersection - t = d1 / (d1 - d2); - y = (p2.y - p1.y)*t + p1.y; - if (y >= -1.0f && y <= 1.0f && t <= shortest) { - out.x = -1.0f; - out.y = y; - edge = 3; - shortest = t; - } - } - - // clip against right edge, x = 1.0 - d1 = p1.x - 1.0f; - d2 = p2.x - 1.0f; - if (d1 * d2 < 0.0f) { - // they are on opposite sides, get point of intersection - t = d1 / (d1 - d2); - y = (p2.y - p1.y)*t + p1.y; - if (y >= -1.0f && y <= 1.0f && t <= shortest) { - out.x = 1.0f; - out.y = y; - edge = 1; - shortest = t; - } - } - - // clip against top edge, y = -1.0 - d1 = -1.0f - p1.y; - d2 = -1.0f - p2.y; - if (d1 * d2 < 0.0f) { - // they are on opposite sides, get point of intersection - t = d1 / (d1 - d2); - x = (p2.x - p1.x)*t + p1.x; - if (x >= -1.0f && x <= 1.0f && t <= shortest) { - out.y = -1.0f; - out.x = x; - edge = 0; - shortest = t; - } - } - - // clip against bottom edge, y = 1.0 - d1 = p1.y - 1.0f; - d2 = p2.y - 1.0f; - if (d1 * d2 < 0.0f) { - // they are on opposite sides, get point of intersection - t = d1 / (d1 - d2); - x = (p2.x - p1.x)*t + p1.x; - if (x >= -1.0f && x <= 1.0f && t <= shortest) { - out.y = 1.0f; - out.x = x; - edge = 2; - shortest = t; - } - } - - return edge; -} - void CRadar::CalculateCachedSinCos() { @@ -1485,8 +1486,14 @@ STARTPATCHES InjectHook(0x4A5C60, CRadar::SetRadarMarkerState, PATCH_JUMP); InjectHook(0x4A5D10, CRadar::DrawRotatingRadarSprite, PATCH_JUMP); InjectHook(0x4A5EF0, CRadar::DrawRadarSprite, PATCH_JUMP); + InjectHook(0x4A6020, ClipRadarTileCoords, PATCH_JUMP); + InjectHook(0x4A6060, RequestMapSection, PATCH_JUMP); + InjectHook(0x4A60A0, RemoveMapSection, PATCH_JUMP); InjectHook(0x4A60E0, CRadar::RemoveRadarSections, PATCH_JUMP); InjectHook(0x4A6100, (void (*)(int32, int32))&CRadar::StreamRadarSections, PATCH_JUMP); + InjectHook(0x4A6160, IsPointInsideRadar, PATCH_JUMP); + InjectHook(0x4A61C0, GetTextureCorners, PATCH_JUMP); + InjectHook(0x4A6250, LineRadarBoxCollision, PATCH_JUMP); InjectHook(0x4A64A0, CRadar::ClipRadarPoly, PATCH_JUMP); InjectHook(0x4A67E0, CRadar::DrawRadarSection, PATCH_JUMP); InjectHook(0x4A69C0, CRadar::DrawRadarMask, PATCH_JUMP); @@ -1494,8 +1501,6 @@ STARTPATCHES InjectHook(0x4A6C20, CRadar::DrawRadarMap, PATCH_JUMP); InjectHook(0x4A6E30, CRadar::SaveAllRadarBlips, PATCH_JUMP); InjectHook(0x4A6F30, CRadar::LoadAllRadarBlips, PATCH_JUMP); - - InjectHook(0x4A61C0, CRadar::GetTextureCorners, PATCH_JUMP); - InjectHook(0x4A6160, CRadar::IsPointInsideRadar, PATCH_JUMP); - InjectHook(0x4A6250, CRadar::LineRadarBoxCollision, PATCH_JUMP); + //InjectHook(0x4A7000, `global constructor keyed to'Radar.cpp, PATCH_JUMP); + //InjectHook(0x4A7260, sRadarTrace::sRadarTrace, PATCH_JUMP); ENDPATCHES |