mirror of
https://github.com/ptitSeb/Serious-Engine
synced 2024-11-23 02:40:26 +01:00
473 lines
14 KiB
C++
473 lines
14 KiB
C++
/* Copyright (c) 2002-2012 Croteam Ltd.
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License as published by
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the Free Software Foundation
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
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/////////////////////////////////////////////////////////////////////
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// CWorldRenderPrefs
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// global instance used in rendering
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CWorldRenderPrefs _wrpWorldRenderPrefs;
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CBrushSectorSelection *_pselbscVisTweaks = NULL;
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/*
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* Constructor -- sets default values.
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*/
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CWorldRenderPrefs::CWorldRenderPrefs(void)
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{
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wrp_bHiddenLinesOn = TRUE;
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wrp_bEditorModelsOn = FALSE;
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wrp_bFieldBrushesOn = FALSE;
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wrp_bShowTargetsOn = FALSE;
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wrp_bShowEntityNames = FALSE;
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wrp_bBackgroundTextureOn = TRUE;
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wrp_bShowVisTweaksOn = FALSE;
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wrp_ftVertices = FT_NONE;
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wrp_colVertices = C_RED;
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wrp_ftEdges = FT_NONE;
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wrp_colEdges = C_BLACK;
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wrp_ftPolygons = FT_TEXTURE;
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wrp_colPolygons = C_WHITE;
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wrp_shtShadows = SHT_FULL;
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wrp_lftLensFlares = LFT_REFLECTIONS_AND_GLARE;
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wrp_abTextureLayers[0] = TRUE;
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wrp_abTextureLayers[1] = TRUE;
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wrp_abTextureLayers[2] = TRUE;
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wrp_fMinimumRenderRange = 5.0f;
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wrp_pmoSelectedEntity = NULL;
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wrp_pmoSelectedPortal = NULL;
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wrp_stSelection = ST_NONE;
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wrp_bAutoMipBrushingOn = TRUE;
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wrp_fManualMipBrushingFactor = 0.0f;
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wrp_bFogOn = TRUE;
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wrp_bHazeOn = TRUE;
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wrp_bMirrorsOn = TRUE;
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wrp_pmoSelectedEntity = NULL;
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wrp_pmoSelectedPortal = NULL;
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wrp_pmoEmptyBrush = NULL;
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wrp_fFarClipPlane=-1.0f;
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wrp_bApplyFarClipPlaneInIsometricProjection=FALSE;
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}
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// Get mip brushing factor relevant for given distance mip factor
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FLOAT CWorldRenderPrefs::GetCurrentMipBrushingFactor(FLOAT fDistanceMipFactor)
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{
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// if mip brushing is automatical
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if (wrp_bAutoMipBrushingOn) {
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// use the distance factor
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return fDistanceMipFactor;
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// if mip brushing is manual
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} else {
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// use the manual factor
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return wrp_fManualMipBrushingFactor;
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}
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}
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/////////////////////////////////////////////////////////////////////
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// helper classes
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/////////////////////////////////////////////////////////////////////
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/* Destructor. */
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CScreenPolygon::~CScreenPolygon(void) {
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ASSERT(spo_iInStack == 0);
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};
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/////////////////////////////////////////////////////////////////////
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// CRenderer
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/////////////////////////////////////////////////////////////////////
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// helper functions
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// Coordinate conversion functions
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static FLOAT fDiff;
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static SLONG slTmp;
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static inline PIX PIXCoord(FLOAT f) // (f+0.9999f) or (ceil(f))
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{
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PIX pixRet;
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__asm {
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fld dword ptr [f]
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fist dword ptr [slTmp]
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fisubr dword ptr [slTmp]
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fstp dword ptr [fDiff]
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mov eax,dword ptr [slTmp]
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mov edx,dword ptr [fDiff]
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add edx,0x7FFFFFFF
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adc eax,0
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mov dword ptr [pixRet],eax
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}
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return pixRet;
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}
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static inline PIX PIXCoord(FIX16_16 x) { return (PIX)Ceil(x); };
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/*
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* Calculate edge line type depending on whether its polygon is visible or not.
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*/
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static inline ULONG EdgeLineType(BOOL bPolygonVisible)
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{
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// if polygon is visible
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if (bPolygonVisible) {
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// draw all edges with full lines
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return _FULL_;
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// if polygon is not visible
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} else {
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// draw all edges with dashed lines
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return _DOT4_;
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}
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}
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/*
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* Draw a fat dot used for drawing vertices.
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*/
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static inline void PutFatPixel(CDrawPort &dp, PIX i, PIX j, COLOR color)
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{
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dp.Fill(i-1,j-1, 3,3, color|CT_OPAQUE);
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}
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/*
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* Draw a more fat dot used for drawing vertices.
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*/
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static inline void PutMoreFatPixel(CDrawPort &dp, PIX i, PIX j, COLOR color)
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{
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dp.Fill(i-1,j-1, 5, 5, color|CT_OPAQUE);
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}
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/*
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* Draw the most fat dot used for drawing vertices.
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*/
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static inline void PutTheMostFatPixel(CDrawPort &dp, PIX i, PIX j, COLOR color)
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{
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dp.Fill(i-1,j-1, 8,8, color|CT_OPAQUE);
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}
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/*
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* Draw a line for arrow drawing.
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*/
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static inline void DrawArrowLine(CDrawPort &dp, const FLOAT2D &vPoint0,
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const FLOAT2D &vPoint1, COLOR color, ULONG ulLineType)
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{
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PIX x0 = (PIX)vPoint0(1);
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PIX x1 = (PIX)vPoint1(1);
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PIX y0 = (PIX)vPoint0(2);
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PIX y1 = (PIX)vPoint1(2);
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dp.DrawLine(x0, y0, x1, y1, color, ulLineType);
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}
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/*
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* Draw an arrow for debugging edge directions.
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*/
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static inline void DrawArrow(CDrawPort &dp, PIX i0, PIX j0, PIX i1, PIX j1, COLOR color,
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ULONG ulLineType)
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{
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FLOAT2D vPoint0 = FLOAT2D((FLOAT)i0, (FLOAT)j0);
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FLOAT2D vPoint1 = FLOAT2D((FLOAT)i1, (FLOAT)j1);
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FLOAT2D vDelta = vPoint1-vPoint0;
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FLOAT fDelta = vDelta.Length();
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FLOAT2D vArrowLen, vArrowWidth;
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if (fDelta>0.01) {
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vArrowLen = vDelta/fDelta*FLOAT(10.0);
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vArrowWidth = vDelta/fDelta*FLOAT(2.0);
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} else {
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vArrowWidth = vArrowLen = FLOAT2D(0.0f, 0.0f);
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}
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// FLOAT3D vArrowLen = vDelta/5.0f;
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// FLOAT3D vArrowWidth = vDelta/30.0f;
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Swap(vArrowWidth(1), vArrowWidth(2));
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//vArrowWidth(2) *= -1.0f;
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DrawArrowLine(dp, vPoint0, vPoint1, color, ulLineType);
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DrawArrowLine(dp, vPoint1-vArrowLen+vArrowWidth, vPoint1, color, ulLineType);
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DrawArrowLine(dp, vPoint1-vArrowLen-vArrowWidth, vPoint1, color, ulLineType);
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//DrawArrowLine(dp, vPoint0+vArrowWidth, vPoint0-vArrowWidth, color, ulLineType);
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}
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/*
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* Determine color to use for coloring vertices.
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*/
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inline COLOR CRenderer::ColorForVertices(COLOR colorPolygon, COLOR colorSector)
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{
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// check vertices fill type
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switch(_wrpWorldRenderPrefs.wrp_ftVertices) {
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// if it is fixed ink
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case CWorldRenderPrefs::FT_INKCOLOR:
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// use the vertex ink
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return _wrpWorldRenderPrefs.wrp_colVertices;
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break;
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// if it is polygon
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case CWorldRenderPrefs::FT_POLYGONCOLOR:
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// use the polygon color
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return colorPolygon;
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break;
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// if it is sector
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case CWorldRenderPrefs::FT_SECTORCOLOR:
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// use the sector color
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return colorSector;
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break;
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// if it is none
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case CWorldRenderPrefs::FT_NONE:
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// return any color, doesn't matter
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return C_BLACK;
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break;
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// in any other way
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default:
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// error
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ASSERTALWAYS("Invalid fill type for vertices");
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return C_BLACK;
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};
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}
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/*
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* Determine color to use for coloring edges.
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*/
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inline COLOR CRenderer::ColorForEdges(COLOR colorPolygon, COLOR colorSector)
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{
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// check edges fill type
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switch(_wrpWorldRenderPrefs.wrp_ftEdges) {
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// if it is fixed ink
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case CWorldRenderPrefs::FT_INKCOLOR:
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// use the edge ink
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return _wrpWorldRenderPrefs.wrp_colEdges;
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break;
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// if it is polygon
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case CWorldRenderPrefs::FT_POLYGONCOLOR:
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// use the polygon color
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return colorPolygon;
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break;
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// if it is sector
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case CWorldRenderPrefs::FT_SECTORCOLOR:
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// use the sector color
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return colorSector;
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break;
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// if it is none
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case CWorldRenderPrefs::FT_NONE:
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// return any color, doesn't matter
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return C_BLACK;
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break;
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// in any other way
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default:
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// error
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ASSERTALWAYS("Invalid fill type for edges");
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return C_BLACK;
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};
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}
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/*
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* Determine color to use for coloring polygons.
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*/
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inline COLOR CRenderer::ColorForPolygons(COLOR colorPolygon, COLOR colorSector)
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{
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// check polygons fill type
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switch(_wrpWorldRenderPrefs.wrp_ftPolygons) {
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// if it is fixed ink
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case CWorldRenderPrefs::FT_INKCOLOR:
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// use the polygon ink
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return _wrpWorldRenderPrefs.wrp_colPolygons;
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break;
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// if it is sector
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case CWorldRenderPrefs::FT_SECTORCOLOR:
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// use the sector color
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return colorSector;
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break;
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// if it is polygon
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case CWorldRenderPrefs::FT_POLYGONCOLOR:
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// or in any other way
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default:
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// use the polygon color
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return colorPolygon;
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break;
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};
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}
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/*
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* Check if a polygon is selected.
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*/
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inline BOOL PolygonIsSelected(CBrushPolygon &bpo,
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CBrush3D &br,
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CBrushSector &bsc)
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{
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// if any selection drawing is active
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if (_wrpWorldRenderPrefs.GetSelectionType() != CWorldRenderPrefs::ST_NONE) {
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// if polygon selection drawing is active and this polygon is selected,
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if ((_wrpWorldRenderPrefs.GetSelectionType() == CWorldRenderPrefs::ST_POLYGONS
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&& bpo.IsSelected(BPOF_SELECTED))
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// or sector selection drawing is active and this polygon's sector is selected,
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||(_wrpWorldRenderPrefs.GetSelectionType() == CWorldRenderPrefs::ST_SECTORS
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&& bsc.IsSelected(BSCF_SELECTED))
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// or entity selection drawing is active and this polygon's brush is selected
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||(_wrpWorldRenderPrefs.GetSelectionType() == CWorldRenderPrefs::ST_ENTITIES
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&& (br.br_ulFlags&BRF_DRAWSELECTED))
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) {
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return TRUE;
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}
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}
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return FALSE;
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}
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void CRenderer::ProjectClipAndDrawArrow(
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const FLOAT3D &v0, const FLOAT3D &v1, COLOR colColor)
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{
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// get transformed end vertices
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FLOAT3D tv0, tv1;
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re_prProjection->PreClip(v0, tv0);
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re_prProjection->PreClip(v1, tv1);
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// clip the edge line
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FLOAT3D vClipped0 = tv0;
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FLOAT3D vClipped1 = tv1;
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ULONG ulClipFlags = re_prProjection->ClipLine(vClipped0, vClipped1);
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// if the edge remains after clipping to front plane
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if (ulClipFlags != LCF_EDGEREMOVED) {
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// project the vertices
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FLOAT3D v3d0, v3d1;
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re_prProjection->PostClip(vClipped0, v3d0);
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re_prProjection->PostClip(vClipped1, v3d1);
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// make 2d vertices
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FLOAT2D v2d0, v2d1;
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v2d0(1) = v3d0(1); v2d0(2) = v3d0(2);
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v2d1(1) = v3d1(1); v2d1(2) = v3d1(2);
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// draw arrow-headed line between vertices
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DrawArrow(*re_pdpDrawPort, (PIX)v2d0(1), (PIX)v2d0(2),
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(PIX)v2d1(1), (PIX)v2d1(2), colColor, _FULL_);
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}
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}
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/*
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* Render target lines for each drawn entity that has some targets.
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*/
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void CRenderer::RenderEntityTargets(void)
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{
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// for each drawn entity
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FOREACHINDYNAMICCONTAINER(re_cenDrawn, CEntity, iten) {
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CEntity &enSource = *iten;
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// if the entity has parent
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if (enSource.en_penParent!=NULL) {
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// draw the arrow from entity to its parent
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ProjectClipAndDrawArrow(
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enSource.GetLerpedPlacement().pl_PositionVector,
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enSource.en_penParent->GetLerpedPlacement().pl_PositionVector,
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C_dBLUE|CT_OPAQUE);
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}
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// for all classes in hierarchy of this entity
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for(CDLLEntityClass *pdecDLLClass = enSource.en_pecClass->ec_pdecDLLClass;
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pdecDLLClass!=NULL;
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pdecDLLClass = pdecDLLClass->dec_pdecBase) {
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// for all properties
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for(INDEX iProperty=0; iProperty<pdecDLLClass->dec_ctProperties; iProperty++) {
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CEntityProperty &epProperty = pdecDLLClass->dec_aepProperties[iProperty];
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// if the property is not entity pointer
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if( (epProperty.ep_eptType!=CEntityProperty::EPT_ENTITYPTR)||
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(strlen(epProperty.ep_strName)==0) ){
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// skip it
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continue;
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}
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// get the target
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CEntity *penTarget = ENTITYPROPERTY(&enSource, epProperty.ep_slOffset, CEntityPointer);
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// if there is no target
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if (penTarget==NULL) {
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// skip it
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continue;
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}
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// draw the arrow from entity to its target
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ProjectClipAndDrawArrow(
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enSource.GetLerpedPlacement().pl_PositionVector,
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penTarget->GetLerpedPlacement().pl_PositionVector,
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epProperty.ep_colColor);
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}
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}
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}
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}
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extern CFontData *_pfdConsoleFont;
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void CRenderer::RenderEntityNames(void)
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{
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// for each of models that were kept for delayed rendering
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for( INDEX iModel=0; iModel<re_admDelayedModels.Count(); iModel++)
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{
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CDelayedModel &dm = re_admDelayedModels[iModel];
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CEntity &en = *dm.dm_penModel;
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CTString strName=en.GetName();
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if( strName=="") continue;
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if( (en.GetRenderType()==CEntity::RT_EDITORMODEL || en.GetRenderType()==CEntity::RT_SKAEDITORMODEL) &&
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!_wrpWorldRenderPrefs.IsEditorModelsOn()) continue;
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FLOATaabbox3D boxModel;
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CModelObject *pmoModelObject;
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CModelInstance *pmiModelInstance;
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// get bounding box of current frame
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if (en.GetRenderType()==CEntity::RT_MODEL || en.GetRenderType()==CEntity::RT_EDITORMODEL) {
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pmoModelObject = dm.dm_pmoModel;
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pmoModelObject->GetCurrentFrameBBox(boxModel);
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if(en.en_pciCollisionInfo!=NULL) {
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// get its collision box
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INDEX iCollision = en.GetCollisionBoxIndex();
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FLOAT3D vMin = pmoModelObject->GetCollisionBoxMin(iCollision);
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FLOAT3D vMax = pmoModelObject->GetCollisionBoxMax(iCollision);
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// extend the box by the collision box
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boxModel|=FLOATaabbox3D(vMin, vMax);
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}
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// set position of marker at top of the model and it size to be proportional to the model
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boxModel.StretchByVector(pmoModelObject->mo_Stretch);
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} else if (en.GetRenderType()==CEntity::RT_SKAMODEL || en.GetRenderType()==CEntity::RT_SKAEDITORMODEL) {
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pmiModelInstance = en.GetModelInstance();
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pmiModelInstance->GetAllFramesBBox(boxModel);
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if(en.en_pciCollisionInfo!=NULL) {
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// get its collision box
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FLOATaabbox3D box;
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pmiModelInstance->GetCurrentColisionBox(box);
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// extend the box by the collision box
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boxModel|=box;
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}
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boxModel.StretchByVector(pmiModelInstance->mi_vStretch);
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} else {
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continue;
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}
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FLOAT fSize = boxModel.Size().Length()*0.3f;
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_wrpWorldRenderPrefs.wrp_pmoSelectedEntity->mo_Stretch = FLOAT3D( fSize, fSize, fSize);
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CPlacement3D plSelection = en.GetLerpedPlacement();
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plSelection.Translate_OwnSystem( FLOAT3D(0.0f, boxModel.Max()(2), 0.0f));
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FLOAT3D vOrigin=plSelection.pl_PositionVector;
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FLOAT3D vProjected=FLOAT3D(0,0,0);
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re_prProjection->ProjectCoordinate( vOrigin, vProjected);
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if( vProjected(3)>0.0f) continue;
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FLOAT fSizeFactor=1.0f+fSize;
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FLOAT fRatio=Clamp( -vProjected(3)/fSizeFactor, 0.0f, 25.0f);
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FLOAT fPower=CalculateRatio(fRatio, 0, 25.0f, 0, 0.25f);
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if( fPower==0) continue;
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PIX pixH=re_pdpDrawPort->GetHeight();
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re_pdpDrawPort->SetFont( _pfdConsoleFont);
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UBYTE ubAlpha=UBYTE(fPower*255.0f);
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re_pdpDrawPort->PutTextC( strName, vProjected(1), pixH-vProjected(2), C_RED|ubAlpha);
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}
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}
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