mirror of
https://github.com/ioquake/jedi-academy.git
synced 2024-11-29 15:32:19 +00:00
517 lines
14 KiB
C++
517 lines
14 KiB
C++
//Anything above this #include will be ignored by the compiler
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#include "../qcommon/exe_headers.h"
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#include "../qcommon/cm_local.h"
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#include "../cgame/tr_types.h"
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#include "RM_Headers.h"
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//#include "../qcommon/q_imath.h"
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#pragma optimize("", off)
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void R_LoadDataImage ( const char *name, byte **pic, int *width, int *height);
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void R_InvertImage ( byte *data, int width, int height, int depth);
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void R_Resample ( byte *source, int swidth, int sheight, byte *dest, int dwidth, int dheight, int components);
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void RE_GetModelBounds (refEntity_t *refEnt, vec3_t bounds1, vec3_t bounds2);
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static CRMLandScape *rm_landscape;
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static CCMLandScape *origin_land;
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CRMLandScape::CRMLandScape(void)
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{
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common = NULL;
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mDensityMap = NULL;
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}
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CRMLandScape::~CRMLandScape(void)
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{
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if(mDensityMap)
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{
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Z_Free(mDensityMap);
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mDensityMap = NULL;
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}
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}
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void CCGHeightDetails::AddModel(const CRandomModel *hd)
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{
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if(mNumModels < MAX_RANDOM_MODELS)
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{
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mTotalFrequency += hd->GetFrequency();
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mModels[mNumModels++] = *hd;
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}
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}
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void CRMLandScape::AddModel(const int height, int maxheight, const CRandomModel *hd)
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{
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int i;
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if(maxheight > HEIGHT_RESOLUTION)
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{
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maxheight = HEIGHT_RESOLUTION;
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}
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for(i = height; hd->GetModel() && (i < maxheight); i++)
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{
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mHeightDetails[i].AddModel(hd);
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}
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}
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void CRMLandScape::LoadMiscentDef(const char *td)
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{
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char miscentDef[MAX_QPATH];
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CGenericParser2 parse;
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CGPGroup *basegroup, *classes, *items, *model;
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CGPValue *pair;
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Com_sprintf(miscentDef, MAX_QPATH, "ext_data/RMG/%s.miscents", Info_ValueForKey(td, "miscentDef"));
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Com_DPrintf("CG_Terrain: Loading and parsing miscentDef %s.....\n", Info_ValueForKey(td, "miscentDef"));
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if(!Com_ParseTextFile(miscentDef, parse))
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{
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Com_sprintf(miscentDef, MAX_QPATH, "ext_data/arioche/%s.miscents", Info_ValueForKey(td, "miscentDef"));
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if(!Com_ParseTextFile(miscentDef, parse))
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{
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Com_Printf("Could not open %s\n", miscentDef);
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return;
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}
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}
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// The whole file....
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basegroup = parse.GetBaseParseGroup();
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// The root { } struct
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classes = basegroup->GetSubGroups();
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while(classes)
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{
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items = classes->GetSubGroups();
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while(items)
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{
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if(!stricmp(items->GetName(), "miscent"))
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{
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int height, maxheight;
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// Height must exist - the rest are optional
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height = atol(items->FindPairValue("height", "0"));
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maxheight = atol(items->FindPairValue("maxheight", "255"));
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model = items->GetSubGroups();
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while(model)
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{
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if(!stricmp(model->GetName(), "model"))
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{
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CRandomModel hd;
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// Set defaults
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hd.SetModel("");
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hd.SetFrequency(1.0f);
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hd.SetMinScale(1.0f);
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hd.SetMaxScale(1.0f);
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pair = model->GetPairs();
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while(pair)
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{
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if(!stricmp(pair->GetName(), "name"))
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{
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hd.SetModel(pair->GetTopValue());
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}
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else if(!stricmp(pair->GetName(), "frequency"))
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{
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hd.SetFrequency((float)atof(pair->GetTopValue()));
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}
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else if(!stricmp(pair->GetName(), "minscale"))
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{
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hd.SetMinScale((float)atof(pair->GetTopValue()));
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}
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else if(!stricmp(pair->GetName(), "maxscale"))
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{
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hd.SetMaxScale((float)atof(pair->GetTopValue()));
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}
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pair = (CGPValue *)pair->GetNext();
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}
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AddModel(height, maxheight, &hd);
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}
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model = (CGPGroup *)model->GetNext();
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}
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}
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items = (CGPGroup *)items->GetNext();
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}
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classes = (CGPGroup *)classes->GetNext();
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}
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Com_ParseTextFileDestroy(parse);
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}
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void CG_Decrease(byte *work, float lerp, int *info)
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{
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int val;
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val = *work - origin_land->irand(2, 5);
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*work = (byte)Com_Clampi(1, 255, val);
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}
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void CRMLandScape::CreateRandomDensityMap(byte *density, int width, int height, int seed)
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{
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// int i, border, inc;
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int x, y, count;
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// byte *work, *work2;
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CArea *area;
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vec3_t derxelSize, pos;
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ivec3_t dmappos;
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byte *hm_map = common->GetHeightMap();
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int hm_width = common->GetRealWidth();
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int hm_height = common->GetRealHeight();
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int xpos, ypos, dx, dy;
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byte *densityPos = density;
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bool foundUneven;
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// Init to linear spread
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memset(density, 0, width * height);
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/* // Make more prevalent towards the edges
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border = Com_Clamp(6, 12, (width + height) >> 4);
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for(i = 0; i < border; i++)
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{
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inc = (border - i + 1) * 9;
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// Top line
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work = density + i + (i * width);
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for(x = i; x < width - i; x++, work++)
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{
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*work += (byte)common->irand(inc >> 1, inc);
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}
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// Left and right edges
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work = density + i + ((i + 1) * width);
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work2 = density + (width - i) + ((i + 1) * width);
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for(y = i + 1; y < height - i - 2; y++, work += width, work2 += width)
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{
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*work += (byte)common->irand(inc >> 1, inc);
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*work2 += (byte)common->irand(inc >> 1, inc);
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}
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// Bottom line
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work = density + i + ((height - i - 1) * width);
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for(x = i; x < width - i; x++, work++)
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{
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*work += (byte)common->irand(inc >> 1, inc);
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}
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}
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*/
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count = 0;
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for(y=0;y<height;y++)
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{
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for(x=0;x<width;x++,densityPos++)
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{
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xpos = (x * hm_width / width);
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ypos = (y * hm_height / height);
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ypos = hm_height - ypos - 1;
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if (hm_map[ypos*hm_width + xpos] < 150)
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{
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continue;
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}
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foundUneven = false;
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for(dx=-4;(dx<=4 && !foundUneven);dx++)
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{
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for(dy=-4;(dy<=4 && !foundUneven);dy++)
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{
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if (dx == 0 && dy == 0)
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{
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continue;
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}
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if ((xpos+dx) >= 0 && (xpos+dx) < hm_width && (ypos+dy) >= 0 && (ypos+dy) < hm_height)
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{
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if (hm_map[(ypos+dy)*hm_width + (xpos+dx)] < 190)
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{
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*densityPos = 205;
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count++;
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foundUneven = true;
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}
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}
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}
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}
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}
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}
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/* FILE *FH;
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FH = fopen("c:\o.raw", "wb");
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fwrite(hm_map, 1, common->GetRealWidth() * common->GetRealHeight(), FH);
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fclose(FH);
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FH = fopen("c:\d.raw", "wb");
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fwrite(density, 1, width*height, FH);
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fclose(FH);
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*/
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// Reduce severely for any settlements/buildings/objectives
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VectorScale(common->GetSize(), 1.0f / width, derxelSize);
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origin_land = common;
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area = common->GetFirstArea();
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while(area)
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{
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// Skip group types since they encompass to much open area
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if ( area->GetType ( ) == AT_GROUP )
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{
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area = common->GetNextArea();
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continue;
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}
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VectorSubtract(area->GetPosition(), common->GetMins(), pos);
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VectorInverseScaleVector(pos, derxelSize, dmappos);
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// Damn upside down gensurf
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dmappos[1] = height - dmappos[1];
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count = ceilf(area->GetRadius() / derxelSize[1]);
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while(count > 0)
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{
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CM_CircularIterate(density, width, height, dmappos[0], dmappos[1], 0, count, NULL, CG_Decrease);
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count--;
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}
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area = common->GetNextArea();
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}
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}
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void CRMLandScape::LoadDensityMap(const char *td)
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{
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char densityMap[MAX_QPATH];
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byte *imageData;
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int iWidth, iHeight, seed;
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char *ptr;
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// Fill in with default values
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mDensityMap = (byte *)Z_Malloc(common->GetBlockCount(), TAG_TERRAIN);
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memset(mDensityMap, 128, common->GetBlockCount());
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// Load in density map (if any)
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Com_sprintf(densityMap, MAX_QPATH, "%s", Info_ValueForKey(td, "densityMap"));
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if(strlen(densityMap))
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{
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Com_DPrintf("CG_Terrain: Loading density map %s.....\n", densityMap);
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#ifdef DEDICATED
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imageData = NULL;
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#else
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R_LoadDataImage(densityMap, &imageData, &iWidth, &iHeight);
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if(imageData)
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{
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if(strstr(densityMap, "density_"))
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{
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seed = strtoul(Info_ValueForKey(td, "seed"),&ptr,10);
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CreateRandomDensityMap(imageData, iWidth, iHeight, seed);
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}
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R_Resample(imageData, iWidth, iHeight, mDensityMap, common->GetBlockWidth(), common->GetBlockHeight(), 1);
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R_InvertImage(mDensityMap, common->GetBlockWidth(), common->GetBlockHeight(), 1);
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Z_Free(imageData);
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}
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#endif
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}
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}
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CRandomModel *CCGHeightDetails::GetRandomModel(CCMLandScape *land)
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{
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int seek, i;
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seek = land->irand(0, mTotalFrequency);
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for(i = 0; i < mNumModels; i++)
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{
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seek -= mModels[i].GetFrequency();
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if(seek <= 0)
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{
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return(mModels + i);
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}
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}
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assert(0);
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return(NULL);
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}
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#ifndef DEDICATED
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void CRMLandScape::Sprinkle(CCMPatch *patch, CCGHeightDetails *hd, int level)
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{
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int i, count, px, py;
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float density;
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vec3_t origin, scale, angles, bounds[2];
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refEntity_t refEnt;
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CRandomModel *rm;
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CArea area;
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// int areaTypes[] = { AT_BSP, AT_OBJECTIVE };
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TCGMiscEnt *data = (TCGMiscEnt *)cl.mSharedMemory;
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TCGTrace *td = (TCGTrace *)cl.mSharedMemory;
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// memset(&refEnt, 0, sizeof(refEntity_t));
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px = patch->GetHeightMapX() / common->GetTerxels();
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py = patch->GetHeightMapY() / common->GetTerxels();
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// Get a number -5.3f to 5.3f
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density = (mDensityMap[px + (common->GetBlockWidth() * py)] - 128) / 24.0f;
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// ..and multiply that into the count
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count = Round(common->GetPatchScalarSize() * hd->GetAverageFrequency() * powf(2.0f, density) * 0.001);
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for(i = 0; i < count; i++)
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{
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if(!common->irand(0, 10))
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{
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vec3_t temp;
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float average;
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rm = hd->GetRandomModel(common);
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refEnt.hModel = re.RegisterModel(rm->GetModelName());
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refEnt.frame = 0;
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RE_GetModelBounds(&refEnt, bounds[0], bounds[1]);
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// Calculate the scale using some magic to help ensure that the
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// scales are never too different from eachother. Otherwise you
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// could get an entity that is really small on one axis but huge
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// on another.
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temp[0] = common->flrand(rm->GetMinScale(), rm->GetMaxScale());
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temp[1] = common->flrand(rm->GetMinScale(), rm->GetMaxScale());
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temp[2] = common->flrand(rm->GetMinScale(), rm->GetMaxScale());
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// Average of the three random numbers and divide that by two
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average = ( ( temp[0] + temp[1] + temp[2] ) / 3) / 2;
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// Add in half of the other two numbers and then subtract half the average to prevent.
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// any number from going beyond the range. If all three numbers were the same then
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// they would remain unchanged after this calculation.
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scale[0] = temp[0] + (temp[1]+temp[2]) / 2 - average;
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scale[1] = temp[1] + (temp[0]+temp[2]) / 2 - average;
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scale[2] = temp[2] + (temp[0]+temp[1]) / 2 - average;
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angles[0] = 0.0f;
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angles[1] = common->flrand(-M_PI, M_PI);
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angles[2] = 0.0f;
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VectorCopy(patch->GetMins(), origin);
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origin[0] += common->flrand(0.0f, common->GetPatchWidth());
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origin[1] += common->flrand(0.0f, common->GetPatchHeight());
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// Get above world height
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float slope = common->GetWorldHeight(origin, bounds, true);
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if (slope > 1.33)
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{ // spot has too steep of a slope
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continue;
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}
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if(origin[2] < common->GetWaterHeight())
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{
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continue;
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}
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// very that we aren't dropped too low
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if (origin[2] < common->CalcWorldHeight(level))
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{
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continue;
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}
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// Hack-ariffic, don't allow them to drop below the big player clip brush.
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if (origin[2] < 1280 )
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{
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continue;
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}
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// FIXME: shouldn't be using a hard-coded 1280 number, only allow to spawn if inside player clip brush?
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// if( !(CONTENTS_PLAYERCLIP & VM_Call( cgvm, CG_POINT_CONTENTS )) )
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// {
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// continue;
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// }
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// Simple radius check for buildings
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/* area.Init(origin, VectorLength(bounds[0]));
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if(common->AreaCollision(&area, areaTypes, sizeof(areaTypes) / sizeof(int)))
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{
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continue;
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}*/
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// Make sure there is no architecture around - doesn't work for ents though =(
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memset(td, sizeof(*td), 0);
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VectorCopy(origin, td->mStart);
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VectorCopy(bounds[0], td->mMins);
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VectorCopy(bounds[1], td->mMaxs);
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VectorCopy(origin, td->mEnd);
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td->mSkipNumber = -1;
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td->mMask = MASK_PLAYERSOLID;
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VM_Call( cgvm, CG_TRACE );
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if(td->mResult.surfaceFlags & SURF_NOMISCENTS)
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{
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continue;
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}
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if(td->mResult.startsolid)
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{
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// continue;
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}
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// Get minimum height of area
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common->GetWorldHeight(origin, bounds, false);
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// Account for relative origin
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origin[2] -= bounds[0][2] * scale[2];
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origin[2] -= common->flrand(2.0, (bounds[1][2] - bounds[0][2]) / 4);
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// Spawn the client model
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strcpy(data->mModel, rm->GetModelName());
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VectorCopy(origin, data->mOrigin);
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VectorCopy(angles, data->mAngles);
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VectorCopy(scale, data->mScale);
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VM_Call( cgvm, CG_MISC_ENT);
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mModelCount++;
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}
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}
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}
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#endif // !DEDICATED
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void CRMLandScape::SpawnPatchModels(CCMPatch *patch)
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{
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#ifndef DEDICATED
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int i;
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CCGHeightDetails *hd;
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// Rand_Init(10);
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for(i = 0; i < 4; i++)
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{
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hd = mHeightDetails + patch->GetHeight(i);
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if(hd->GetNumModels())
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{
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Sprinkle(patch, hd, patch->GetHeight(i));
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}
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}
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#endif // !DEDICATED
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}
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void SpawnPatchModelsWrapper(CCMPatch *patch, void *userdata)
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{
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CRMLandScape *landscape = (CRMLandScape *)userdata;
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landscape->SpawnPatchModels(patch);
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}
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void RM_CreateRandomModels(int terrainId, const char *terrainInfo)
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{
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CRMLandScape *landscape;
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landscape = rm_landscape = new CRMLandScape;
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landscape->SetCommon(cmg.landScape);
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Com_DPrintf("CG_Terrain: Creating random models.....\n");
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landscape->LoadMiscentDef(terrainInfo);
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landscape->LoadDensityMap(terrainInfo);
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landscape->ClearModelCount();
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CM_TerrainPatchIterate(landscape->GetCommon(), SpawnPatchModelsWrapper, landscape);
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Com_DPrintf(".....%d random client models spawned\n", landscape->GetModelCount());
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}
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void RM_InitTerrain(void)
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{
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rm_landscape = NULL;
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}
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void RM_ShutdownTerrain(void)
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{
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CRMLandScape *landscape;
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landscape = rm_landscape;
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if(landscape)
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{
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delete landscape;
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rm_landscape = NULL;
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}
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}
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// end
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#pragma optimize("", on)
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