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hng64 : More accurately emulated intrinsic camera matrix. [Andrew Gardner]

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This commit is contained in:
Andrew Gardner 2010-02-25 04:41:57 +00:00
parent 478ceaf8a7
commit cff01e5501
1 changed files with 14 additions and 12 deletions
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26
src/mame/video/hng64.c
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@ -1817,16 +1817,16 @@ static void setCameraProjectionMatrix(const UINT16* packet)
// [1] - ???? ... ? Contains a value in buriki's 'how to play' - probably a projection window/offset.
// [2] - ???? ... ? Contains a value in buriki's 'how to play' - probably a projection window/offset.
// [3] - ???? ... ? Contains a value
// [4] - ???? ... ? Contains a value in buriki
// [5] - ???? ... ? Contains a value
// [6] - xxxx ... camera projection near
// [7] - xxxx ... camera projection far
// [8] - ???? ... ? Contains a value
// [9] - ???? ... ? Contains a value
// [10] - xxxx ... camera projection right
// [11] - xxxx ... camera projection left
// [12] - xxxx ... camera projection top
// [13] - xxxx ... camera projection bottom
// [4] - xxxx ... Camera projection near scale
// [5] - xxxx ... Camera projection near height(?)
// [6] - xxxx ... Camera projection near width(?)
// [7] - xxxx ... Camera projection far scale
// [8] - xxxx ... Camera projection far height(?)
// [9] - xxxx ... Camera projection far width(?)
// [10] - xxxx ... Camera projection right
// [11] - xxxx ... Camera projection left
// [12] - xxxx ... Camera projection top
// [13] - xxxx ... Camera projection bottom
// [14] - ???? ... ? Gets data during buriki door-run
// [15] - ???? ... ? Gets data during buriki door-run
////////////*/
@ -1838,8 +1838,9 @@ static void setCameraProjectionMatrix(const UINT16* packet)
right = uToF(packet[10]);
top = uToF(packet[12]);
bottom = uToF(packet[13]);
near_ = uToF(packet[6]);
far_ = uToF(packet[7]);
near_ = uToF(packet[6]) + (uToF(packet[6]) * uToF(packet[4]));
far_ = uToF(packet[9]) + (uToF(packet[9]) * uToF(packet[7]));
// (note are likely not 100% correct - I'm not using one of the parameters)
projectionMatrix[0] = (2.0f*near_)/(right-left);
projectionMatrix[1] = 0.0f;
@ -2395,6 +2396,7 @@ void hng64_command3d(running_machine* machine, const UINT16* packet)
break;
case 0x0010: // Unknown
//printPacket(packet, 1); printf("\n");
// Called very interestingly per-frame in every game. Floats for sure. Light-related?
break;