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Implements two render paths:
RenderRCRSprite: simple single-texture path (tyres/chwheel).
Sprite B=U, A=V sampled directly into texture map.
Transparency only when both U and V are zero.
RenderRCRCarSprite: GP3 masked multi-texture car render.
Uses rcr1b segmentation mask to route each pixel:
Mask 0 -> background (GP3 transparent)
Mask 1 -> contact shadow (leave as background)
Mask 2,6 -> chassis.bmp direct UV
Mask 3 -> ferrari.bmp section 1 (rows 128-255), U mirrored
Mask 4 -> ferrari.bmp section 1 (rows 128-255), direct UV
Mask 5,7 -> ferrari.bmp section 2 (rows 256-383), direct UV
Mask 8-11 -> tyre texture direct UV
ferrari.bmp layout (256x384): section 0=left side (unused by rcr1),
section 1=top/nose, section 2=right side.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Add rcrMask: TBitmap field to TJamFile (pf8bit, index values 0-11) - Add LoadRCRMask(maskPath) to load companion mask JAM and extract its raw canvas as a pf8bit indexed bitmap - LoadFromFile auto-detects rcr?a pattern and loads rcr?b from the same directory automatically on RCR JAM open Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Add btnRenderCar button to panel_RCR in mainform.dfm - Add RCRRender to mainform uses clause - Implement btnRenderCarClick handler: - Validates RCR JAM is loaded with mask and sprite planes - Resolves ferrari.bmp, chassis.bmp, tyre texture from JAM directory - Tries whbridg0/whgood0/whmich0/whpire0 tyre textures in order - Calls RenderRCRCarSprite with rcrB (U), rcrA (V) and rcrMask - Displays rendered result in ImageEntry preview Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Add TRCRPreviewForm (RCRPreview.pas/dfm): - Game selection (GP3 / GP3 2000) using strGP3Location/strGP32kLocation - RCR angle selection (rcr1a-rcr5a), auto-populated from Gp3Jams\Main\ - Livery selection, scanned from Gp3Jams\Main\ (excludes tyres/atlas/chassis) - Loads selected rcr?a.jam (auto-loads rcr?b mask alongside it) - Extracts full-canvas UV planes via ExtractRCRPlaneRaw - Calls RenderRCRCarSprite and displays result in scrollable preview - Add TJamFile.ExtractRCRPlaneRaw(odd): extracts full 256xH pf8bit canvas from FRawData using correct per-entry X0/Y0 offsets (stride=512) - Add RCRPreview + RCRRender to jamviewer.dproj - Simplify btnRenderCarClick: opens TRCRPreviewForm with pre-selected angle matching currently loaded JAM GP2 support to be handled separately. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Liveries live in Gp3Jams\liveries\, not Gp3Jams\Main\. Add GetLiveryDir separate from GetMainJamDir so that: RCR JAMs (rcr?a/b.jam) -> Gp3Jams\Main\ Livery BMPs, chassis, tyres -> Gp3Jams\liveries\ HW liveries (Gp3JamsH\liveries\) noted but not used here (SW render only). Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Aligns with the existing TJamType definition in JamGeneral.pas. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
LoadRCRMask calls MaskJam.LoadFromFile which internally calls CheckIfRCR. Since rcr?b is not in rcrJAMList, CheckIfRCR sets the global boolRcrJam=False, overwriting the True set by the parent rcr?a load. Fix: save boolRcrJam before the inner LoadFromFile and restore it in the finally block so the parent's RCR state is always preserved. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- Replace BMP directory scanning with hardcoded livery name lists:
GP3: arrows98 benett98 ferrar98 jordan98 mclare98 minardi98
prost98 sauber98 stewar98 tyrrel98 willia98
GP3 2000: 1mclar00 2mclar00 arrows00 bar00 benett00 ferrar00
jaguar00 jordan00 minardi00 prost00 sauber00 willia00
- Add LoadJamCanvas() helper: loads a JAM file and returns its
originalCanvas as a TBitmap (caller owns it)
- Load livery from Gp3Jams\liveries\<name>.jam via LoadJamCanvas
- Load chassis from Gp3Jams\Main\chassis3.jam via LoadJamCanvas
- Tyre textures remain BMP files in Gp3Jams\liveries\
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Replace fixed-size const arrays cast to TArray<string> with inline dynamic array literals in the case statement — no typecast needed. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Scan for wh*.jam (whbridg0, whgood0, whmich0, whpire0, whstre0, whyoko0) in GetMainJamDir and load via LoadJamCanvas, matching chassis3.jam approach. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
- LoadJamCanvas: render directly to pf24bit via FRawData + per-entry local palette (FPalettes) + gpxPal, bypassing VCL pf8bit->pf8bit Canvas.Draw which silently corrupts palette indices on remapping JAMs - LoadRCRMask: assemble mask canvas from FEntries[i].FRawTexture at correct (X,Y) offsets instead of assuming linear FRawData layout; fixes rcr1b.jam which has 32 sprite entries at various positions - Add JamPalette to RCRPreview uses clause for TLocalPaletteArray access Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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