diff options
| -rw-r--r-- | engines/sci/engine/kgraphics.cpp | 49 |
1 files changed, 27 insertions, 22 deletions
diff --git a/engines/sci/engine/kgraphics.cpp b/engines/sci/engine/kgraphics.cpp index 596f8fb4b7..8f59f553a7 100644 --- a/engines/sci/engine/kgraphics.cpp +++ b/engines/sci/engine/kgraphics.cpp @@ -1289,7 +1289,7 @@ reg_t kPlayVMD(EngineState *s, int argc, reg_t *argv) { break; case 1: { - // Set VMD parameters. Called with a maximum of 5 parameters: + // Set VMD parameters. Called with a maximum of 6 parameters: // // x, y, flags, gammaBoost, gammaFirst, gammaLast // @@ -1305,33 +1305,38 @@ reg_t kPlayVMD(EngineState *s, int argc, reg_t *argv) { // bit 8 stretch // gammaBoost boosts palette colors in the range gammaFirst to gammaLast, but - // only if bit 4 in flags is set. Percent value such that 100% = no amplification + // only if bit 4 in flags is set. Percent value such that 0% = no amplification // These three parameters are optional if bit 4 is clear. // Also note that the x, y parameters play subtle games if used with subfx 21. + // The subtleness has to do with creation of temporary planes and positioning relative to such planes. int flags = argv[3].offset; Common::String flagspec; - if (flags & 1) - flagspec += "doubled "; - if (flags & 2) - flagspec += "dropframes "; - if (flags & 4) - flagspec += "blacklines "; - if (flags & 8) - flagspec += "bit3 "; - if (flags & 16) - flagspec += "gammaboost "; - if (flags & 32) - flagspec += "holdblack "; - if (flags & 64) - flagspec += "holdlast "; - if (flags & 128) - flagspec += "bit7 "; - if (flags & 256) - flagspec += "stretch"; - - warning("VMDFlags: %s", flagspec.c_str()); + if (argc > 3) + { + if (flags & 1) + flagspec += "doubled "; + if (flags & 2) + flagspec += "dropframes "; + if (flags & 4) + flagspec += "blacklines "; + if (flags & 8) + flagspec += "bit3 "; + if (flags & 16) + flagspec += "gammaboost "; + if (flags & 32) + flagspec += "holdblack "; + if (flags & 64) + flagspec += "holdlast "; + if (flags & 128) + flagspec += "bit7 "; + if (flags & 256) + flagspec += "stretch"; + + warning("VMDFlags: %s", flagspec.c_str()); + } + warning("x, y: %d, %d", argv[1].offset, argv[2].offset); if (argc > 4 && flags & 16) |