diff options
Diffstat (limited to 'Stars45/TerrainClouds.cpp')
| -rw-r--r-- | Stars45/TerrainClouds.cpp | 404 |
1 files changed, 202 insertions, 202 deletions
diff --git a/Stars45/TerrainClouds.cpp b/Stars45/TerrainClouds.cpp index 49f7113..2c1f4b8 100644 --- a/Stars45/TerrainClouds.cpp +++ b/Stars45/TerrainClouds.cpp @@ -1,14 +1,14 @@ /* Project Starshatter 4.5
- Destroyer Studios LLC
- Copyright © 1997-2005. All Rights Reserved.
+ Destroyer Studios LLC
+ Copyright © 1997-2005. All Rights Reserved.
- SUBSYSTEM: Stars.exe
- FILE: TerrainClouds.cpp
- AUTHOR: John DiCamillo
+ SUBSYSTEM: Stars.exe
+ FILE: TerrainClouds.cpp
+ AUTHOR: John DiCamillo
- OVERVIEW
- ========
+ OVERVIEW
+ ========
*/
#include "MemDebug.h"
@@ -27,27 +27,27 @@ // +--------------------------------------------------------------------+
TerrainClouds::TerrainClouds(Terrain* terr, int t)
- : terrain(terr), type(t)
+: terrain(terr), type(t)
{
- nverts = 0;
- npolys = 0;
- mverts = 0;
- verts = 0;
- polys = 0;
+ nverts = 0;
+ npolys = 0;
+ mverts = 0;
+ verts = 0;
+ polys = 0;
- loc = Point(0, 15000, 0);
- radius = (float) (25000.0f);
+ loc = Point(0, 15000, 0);
+ radius = (float) (25000.0f);
- BuildClouds();
+ BuildClouds();
}
// +--------------------------------------------------------------------+
TerrainClouds::~TerrainClouds()
{
- delete [] mverts;
- delete verts;
- delete [] polys;
+ delete [] mverts;
+ delete verts;
+ delete [] polys;
}
// +--------------------------------------------------------------------+
@@ -59,153 +59,153 @@ static const int CUMULUS_BANKS = 4; void
TerrainClouds::BuildClouds()
{
- if (type == 0) {
- nbanks = CIRRUS_BANKS;
- nverts = 4 * nbanks;
- npolys = 2 * nbanks;
- }
- else {
- nbanks = CUMULUS_BANKS;
- nverts = 8 * nbanks;
- npolys = 3 * nbanks;
- }
-
- Bitmap* cloud_texture = terrain->CloudTexture(type);
- Bitmap* shade_texture = terrain->ShadeTexture(type);
-
- strcpy(mtl_cloud.name, "cloud");
- mtl_cloud.Ka = Color::White;
- mtl_cloud.Kd = Color::White;
- mtl_cloud.luminous = true;
- mtl_cloud.blend = Material::MTL_TRANSLUCENT;
- mtl_cloud.tex_diffuse = cloud_texture;
-
- strcpy(mtl_shade.name, "shade");
- mtl_shade.Ka = Color::White;
- mtl_shade.Kd = Color::White;
- mtl_shade.luminous = true;
- mtl_shade.blend = Material::MTL_TRANSLUCENT;
- mtl_shade.tex_diffuse = shade_texture;
-
- verts = new(__FILE__,__LINE__) VertexSet(nverts);
- mverts = new(__FILE__,__LINE__) Vec3[nverts];
- polys = new(__FILE__,__LINE__) Poly[npolys];
-
- verts->nverts = nverts;
-
- // initialize vertices
- Vec3* pVert = mverts;
- float* pTu = verts->tu;
- float* pTv = verts->tv;
-
- int i, j, n;
- double az = 0;
- double r = 0;
-
- for (n = 0; n < nbanks; n++) {
- double xloc = r * cos(az);
- double yloc = r * sin(az);
- double alt = rand() / 32.768;
-
- for (i = 0; i < 2; i++) {
- for (j = 0; j < 2; j++) {
- *pVert = Vec3((float) ((2*j-1) * BANK_SIZE + xloc),
- (float) (alt),
- (float) ((2*i-1) * BANK_SIZE + yloc));
-
- *pTu++ = (float) (-j);
- *pTv++ = (float) ( i);
-
- float dist = pVert->length();
- if (dist > radius)
- radius = dist;
-
- pVert++;
- }
- }
-
- if (type > 0) {
- for (i = 0; i < 2; i++) {
- for (j = 0; j < 2; j++) {
- *pVert = Vec3((float) ((2*j-1) * BANK_SIZE + xloc),
- (float) (alt-100),
- (float) ((2*i-1) * BANK_SIZE + yloc));
-
- *pTu++ = (float) (-j);
- *pTv++ = (float) ( i);
-
- float dist = pVert->length();
- if (dist > radius)
- radius = dist;
-
- pVert++;
- }
- }
- }
-
- az += (0.66 + rand()/32768.0) * 0.25 * PI;
-
- if (r < BANK_SIZE)
- r += BANK_SIZE;
- else if (r < 1.75*BANK_SIZE)
- r += BANK_SIZE/4;
- else
- r += BANK_SIZE/8;
- }
-
- // create the polys
- for (i = 0; i < npolys; i++) {
- Poly* p = polys + i;
- p->nverts = 4;
- p->vertex_set = verts;
- p->material = (i<4*nbanks) ? &mtl_cloud : &mtl_shade;
- p->visible = 1;
- p->sortval = (i<4*nbanks) ? 1 : 2;
- }
-
- // build main patch polys: (facing down)
- Poly* p = polys;
-
- int stride = 4;
- if (type > 0)
- stride = 8;
-
- // clouds:
- for (n = 0; n < nbanks; n++) {
- p->verts[0] = 0 + n*stride;
- p->verts[1] = 1 + n*stride;
- p->verts[2] = 3 + n*stride;
- p->verts[3] = 2 + n*stride;
- p++;
-
- // reverse side: (facing up)
- p->verts[0] = 0 + n*stride;
- p->verts[3] = 1 + n*stride;
- p->verts[2] = 3 + n*stride;
- p->verts[1] = 2 + n*stride;
- p++;
- }
-
- // shades:
- if (type > 0) {
- for (n = 0; n < nbanks; n++) {
- p->verts[0] = 4 + n*stride;
- p->verts[1] = 5 + n*stride;
- p->verts[2] = 7 + n*stride;
- p->verts[3] = 6 + n*stride;
- p++;
- }
- }
-
- // update the verts and colors of each poly:
- for (i = 0; i < npolys; i++) {
- Poly* p = polys + i;
- WORD* v = p->verts;
-
- p->plane = Plane(mverts[v[0]],
- mverts[v[1]],
- mverts[v[2]]);
- }
+ if (type == 0) {
+ nbanks = CIRRUS_BANKS;
+ nverts = 4 * nbanks;
+ npolys = 2 * nbanks;
+ }
+ else {
+ nbanks = CUMULUS_BANKS;
+ nverts = 8 * nbanks;
+ npolys = 3 * nbanks;
+ }
+
+ Bitmap* cloud_texture = terrain->CloudTexture(type);
+ Bitmap* shade_texture = terrain->ShadeTexture(type);
+
+ strcpy(mtl_cloud.name, "cloud");
+ mtl_cloud.Ka = Color::White;
+ mtl_cloud.Kd = Color::White;
+ mtl_cloud.luminous = true;
+ mtl_cloud.blend = Material::MTL_TRANSLUCENT;
+ mtl_cloud.tex_diffuse = cloud_texture;
+
+ strcpy(mtl_shade.name, "shade");
+ mtl_shade.Ka = Color::White;
+ mtl_shade.Kd = Color::White;
+ mtl_shade.luminous = true;
+ mtl_shade.blend = Material::MTL_TRANSLUCENT;
+ mtl_shade.tex_diffuse = shade_texture;
+
+ verts = new(__FILE__,__LINE__) VertexSet(nverts);
+ mverts = new(__FILE__,__LINE__) Vec3[nverts];
+ polys = new(__FILE__,__LINE__) Poly[npolys];
+
+ verts->nverts = nverts;
+
+ // initialize vertices
+ Vec3* pVert = mverts;
+ float* pTu = verts->tu;
+ float* pTv = verts->tv;
+
+ int i, j, n;
+ double az = 0;
+ double r = 0;
+
+ for (n = 0; n < nbanks; n++) {
+ double xloc = r * cos(az);
+ double yloc = r * sin(az);
+ double alt = rand() / 32.768;
+
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 2; j++) {
+ *pVert = Vec3((float) ((2*j-1) * BANK_SIZE + xloc),
+ (float) (alt),
+ (float) ((2*i-1) * BANK_SIZE + yloc));
+
+ *pTu++ = (float) (-j);
+ *pTv++ = (float) ( i);
+
+ float dist = pVert->length();
+ if (dist > radius)
+ radius = dist;
+
+ pVert++;
+ }
+ }
+
+ if (type > 0) {
+ for (i = 0; i < 2; i++) {
+ for (j = 0; j < 2; j++) {
+ *pVert = Vec3((float) ((2*j-1) * BANK_SIZE + xloc),
+ (float) (alt-100),
+ (float) ((2*i-1) * BANK_SIZE + yloc));
+
+ *pTu++ = (float) (-j);
+ *pTv++ = (float) ( i);
+
+ float dist = pVert->length();
+ if (dist > radius)
+ radius = dist;
+
+ pVert++;
+ }
+ }
+ }
+
+ az += (0.66 + rand()/32768.0) * 0.25 * PI;
+
+ if (r < BANK_SIZE)
+ r += BANK_SIZE;
+ else if (r < 1.75*BANK_SIZE)
+ r += BANK_SIZE/4;
+ else
+ r += BANK_SIZE/8;
+ }
+
+ // create the polys
+ for (i = 0; i < npolys; i++) {
+ Poly* p = polys + i;
+ p->nverts = 4;
+ p->vertex_set = verts;
+ p->material = (i<4*nbanks) ? &mtl_cloud : &mtl_shade;
+ p->visible = 1;
+ p->sortval = (i<4*nbanks) ? 1 : 2;
+ }
+
+ // build main patch polys: (facing down)
+ Poly* p = polys;
+
+ int stride = 4;
+ if (type > 0)
+ stride = 8;
+
+ // clouds:
+ for (n = 0; n < nbanks; n++) {
+ p->verts[0] = 0 + n*stride;
+ p->verts[1] = 1 + n*stride;
+ p->verts[2] = 3 + n*stride;
+ p->verts[3] = 2 + n*stride;
+ p++;
+
+ // reverse side: (facing up)
+ p->verts[0] = 0 + n*stride;
+ p->verts[3] = 1 + n*stride;
+ p->verts[2] = 3 + n*stride;
+ p->verts[1] = 2 + n*stride;
+ p++;
+ }
+
+ // shades:
+ if (type > 0) {
+ for (n = 0; n < nbanks; n++) {
+ p->verts[0] = 4 + n*stride;
+ p->verts[1] = 5 + n*stride;
+ p->verts[2] = 7 + n*stride;
+ p->verts[3] = 6 + n*stride;
+ p++;
+ }
+ }
+
+ // update the verts and colors of each poly:
+ for (i = 0; i < npolys; i++) {
+ Poly* p = polys + i;
+ WORD* v = p->verts;
+
+ p->plane = Plane(mverts[v[0]],
+ mverts[v[1]],
+ mverts[v[2]]);
+ }
}
// +--------------------------------------------------------------------+
@@ -213,11 +213,11 @@ TerrainClouds::BuildClouds() void
TerrainClouds::Update()
{
- if (!nverts || !mverts || !verts)
- return;
+ if (!nverts || !mverts || !verts)
+ return;
- for (int i = 0; i < nverts; ++i)
- verts->loc[i] = mverts[i] + loc;
+ for (int i = 0; i < nverts; ++i)
+ verts->loc[i] = mverts[i] + loc;
}
// +--------------------------------------------------------------------+
@@ -225,30 +225,30 @@ TerrainClouds::Update() void
TerrainClouds::Illuminate(Color ambient, List<Light>& lights)
{
- int i, n;
-
- if (terrain) {
- DWORD cloud_color = terrain->GetRegion()->CloudColor().Value() | Color(0,0,0,255).Value();
- DWORD shade_color = terrain->GetRegion()->ShadeColor().Value() | Color(0,0,0,255).Value();
-
- int stride = 4;
- if (type > 0)
- stride = 8;
-
- for (i = 0; i < nbanks; i++) {
- for (n = 0; n < 4; n++) {
- verts->diffuse[stride*i + n] = cloud_color;
- verts->specular[stride*i + n] = 0xff000000;
- }
-
- if (type > 0) {
- for (; n < 8; n++) {
- verts->diffuse[stride*i + n] = shade_color;
- verts->specular[stride*i + n] = 0xff000000;
- }
- }
- }
- }
+ int i, n;
+
+ if (terrain) {
+ DWORD cloud_color = terrain->GetRegion()->CloudColor().Value() | Color(0,0,0,255).Value();
+ DWORD shade_color = terrain->GetRegion()->ShadeColor().Value() | Color(0,0,0,255).Value();
+
+ int stride = 4;
+ if (type > 0)
+ stride = 8;
+
+ for (i = 0; i < nbanks; i++) {
+ for (n = 0; n < 4; n++) {
+ verts->diffuse[stride*i + n] = cloud_color;
+ verts->specular[stride*i + n] = 0xff000000;
+ }
+
+ if (type > 0) {
+ for (; n < 8; n++) {
+ verts->diffuse[stride*i + n] = shade_color;
+ verts->specular[stride*i + n] = 0xff000000;
+ }
+ }
+ }
+ }
}
// +--------------------------------------------------------------------+
@@ -256,14 +256,14 @@ TerrainClouds::Illuminate(Color ambient, List<Light>& lights) void
TerrainClouds::Render(Video* video, DWORD flags)
{
- if ((flags & Graphic::RENDER_ALPHA) == 0)
- return;
+ if ((flags & Graphic::RENDER_ALPHA) == 0)
+ return;
- if (video && life && polys && npolys && verts) {
- if (scene)
- Illuminate(scene->Ambient(), scene->Lights());
+ if (video && life && polys && npolys && verts) {
+ if (scene)
+ Illuminate(scene->Ambient(), scene->Lights());
- video->SetRenderState(Video::FOG_ENABLE, false);
- video->DrawPolys(npolys, polys);
- }
+ video->SetRenderState(Video::FOG_ENABLE, false);
+ video->DrawPolys(npolys, polys);
+ }
}
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