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#include "common.h"
#include "main.h"
#include "FileMgr.h"
#include "Weather.h"
#include "Collision.h"
#include "SurfaceTable.h"
float CSurfaceTable::ms_aAdhesiveLimitTable[NUMADHESIVEGROUPS][NUMADHESIVEGROUPS];
void
CSurfaceTable::Initialise(Const 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)];
}
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