diff options
Diffstat (limited to 'src/core/SurfaceTable.cpp')
| -rw-r--r-- | src/core/SurfaceTable.cpp | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/src/core/SurfaceTable.cpp b/src/core/SurfaceTable.cpp new file mode 100644 index 00000000..2ba884b1 --- /dev/null +++ b/src/core/SurfaceTable.cpp @@ -0,0 +1,150 @@ +#include "common.h" +#include "patcher.h" +#include "main.h" +#include "FileMgr.h" +#include "Weather.h" +#include "Collision.h" +#include "SurfaceTable.h" + +float (*CSurfaceTable::ms_aAdhesiveLimitTable)[NUMADHESIVEGROUPS] = (float (*)[NUMADHESIVEGROUPS])0x8E29D4; + +void +CSurfaceTable::Initialise(char *filename) +{ + int lineno, fieldno; + char *line; + char surfname[256]; + float adhesiveLimit; + + CFileMgr::SetDir(""); + CFileMgr::LoadFile(filename, work_buff, sizeof(work_buff), "r"); + + line = (char*)work_buff; + for(lineno = 0; lineno < NUMADHESIVEGROUPS; lineno++){ + // skip white space and comments + while(*line == ' ' || *line == '\t' || *line == '\n' || *line == '\r' || *line == ';'){ + if(*line == ';'){ + while(*line != '\n' && *line != '\r') + line++; + }else + line++; + } + + sscanf(line, "%s", surfname); + // skip what we just read + while(!(*line == ' ' || *line == '\t' || *line == ',')) + line++; + + for(fieldno = 0; fieldno <= lineno; fieldno++){ + // skip white space + while(*line == ' ' || *line == '\t' || *line == ',') + line++; + adhesiveLimit = 0.0f; + if(*line != '-') + sscanf(line, "%f", &adhesiveLimit); + // skip what we just read + while(!(*line == ' ' || *line == '\t' || *line == ',' || *line == '\n')) + line++; + + ms_aAdhesiveLimitTable[lineno][fieldno] = adhesiveLimit; + ms_aAdhesiveLimitTable[fieldno][lineno] = adhesiveLimit; + } + } +} + +int +CSurfaceTable::GetAdhesionGroup(uint8 surfaceType) +{ + switch(surfaceType){ + case SURFACE_0: return ADHESIVE_ROAD; + case SURFACE_1: return ADHESIVE_ROAD; + case SURFACE_2: return ADHESIVE_LOOSE; + case SURFACE_3: return ADHESIVE_LOOSE; + case SURFACE_4: return ADHESIVE_HARD; + case SURFACE_5: return ADHESIVE_ROAD; + case SURFACE_6: return ADHESIVE_HARD; + case SURFACE_7: return ADHESIVE_HARD; + case SURFACE_8: return ADHESIVE_HARD; + case SURFACE_9: return ADHESIVE_HARD; + case SURFACE_10: return ADHESIVE_HARD; + case SURFACE_11: return ADHESIVE_HARD; + case SURFACE_12: return ADHESIVE_HARD; + case SURFACE_13: return ADHESIVE_HARD; + case SURFACE_14: return ADHESIVE_HARD; + case SURFACE_15: return ADHESIVE_HARD; + case SURFACE_16: return ADHESIVE_HARD; + case SURFACE_17: return ADHESIVE_RUBBER; + case SURFACE_18: return ADHESIVE_LOOSE; + case SURFACE_19: return ADHESIVE_WET; + case SURFACE_20: return ADHESIVE_ROAD; + case SURFACE_21: return ADHESIVE_ROAD; + case SURFACE_22: return ADHESIVE_ROAD; + case SURFACE_23: return ADHESIVE_RUBBER; + case SURFACE_24: return ADHESIVE_HARD; + case SURFACE_25: return ADHESIVE_LOOSE; + case SURFACE_26: return ADHESIVE_LOOSE; + case SURFACE_27: return ADHESIVE_HARD; + case SURFACE_28: return ADHESIVE_HARD; + case SURFACE_29: return ADHESIVE_RUBBER; + case SURFACE_30: return ADHESIVE_LOOSE; + case SURFACE_31: return ADHESIVE_HARD; + case SURFACE_32: return ADHESIVE_HARD; + default: return ADHESIVE_ROAD; + } +} + +float +CSurfaceTable::GetWetMultiplier(uint8 surfaceType) +{ + switch(surfaceType){ + case SURFACE_0: + case SURFACE_1: + case SURFACE_4: + case SURFACE_5: + case SURFACE_8: + case SURFACE_20: + case SURFACE_21: + case SURFACE_22: + case SURFACE_25: + case SURFACE_30: + case SURFACE_31: + return 1.0f - CWeather::WetRoads*0.25f; + + case SURFACE_2: + case SURFACE_6: + case SURFACE_7: + case SURFACE_9: + case SURFACE_10: + case SURFACE_11: + case SURFACE_12: + case SURFACE_13: + case SURFACE_14: + case SURFACE_15: + case SURFACE_16: + case SURFACE_17: + case SURFACE_23: + case SURFACE_24: + case SURFACE_26: + case SURFACE_27: + case SURFACE_28: + case SURFACE_29: + case SURFACE_32: + return 1.0f - CWeather::WetRoads*0.4f; + + default: + return 1.0f; + } +} + +float +CSurfaceTable::GetAdhesiveLimit(CColPoint &colpoint) +{ + return ms_aAdhesiveLimitTable[GetAdhesionGroup(colpoint.surfaceB)][GetAdhesionGroup(colpoint.surfaceA)]; +} + +STARTPATCHES + InjectHook(0x4AB8F0, CSurfaceTable::Initialise, PATCH_JUMP); + InjectHook(0x4ABA60, CSurfaceTable::GetAdhesionGroup, PATCH_JUMP); + InjectHook(0x4ABAA0, CSurfaceTable::GetWetMultiplier, PATCH_JUMP); + InjectHook(0x4ABA30, CSurfaceTable::GetAdhesiveLimit, PATCH_JUMP); +ENDPATCHES |