Ian Curtis
f173c3c3ce
The hardware actually seems to treat the quad primitive as a triangle strip. The winding order can actually change between the first and second 'triangle' inside the quad, leading our code to incorrectly backface cull the 2nd triangle. So we must re-calculate the winding order for the 2nd triangle. This fixes a massive missing poly in the road in la machine guns, probably other games too. The hardware is unaffected by the winding order, as it doesn't calculate the poly normal from the vertices directly, instead it uses the provided normal in the poly header.
2017-02-21 23:35:40 +00:00
Ian Curtis
5b9741bd5d
Support high priority polygons. They are treated as a separate overlay plane by the h/w. Fixes some missing fx in harley.
2017-02-20 17:22:32 +00:00
Ian Curtis
2ae2010ee4
Add high priority poly function. Used by harley.
2017-02-18 23:58:08 +00:00
Ian Curtis
4a116190b5
When the translator map?? bit is enabled the colour format seems to be 4-5bit. Max observed value is 16. Scaling these values up seems to produce the correct colours in harley and dirt devils.
2017-02-16 17:20:42 +00:00
Ian Curtis
7407d03036
Put a check in there, in case near values come out really close to zero. Fixes a slight corner case in lemans24. A check probably should have been there originally :)
2017-02-08 16:14:50 +00:00
Ian Curtis
24cbeed526
Dynamically calculate near/far frustum planes for each viewport priority layer by clipping the overlapping meshes with the 4 frustum planes. A bit brute forcy, but the results are great.
2017-02-07 14:05:03 +00:00
Ian Curtis
144125a62e
mark the nodes without valid distances set
2017-02-05 15:36:05 +00:00
Ian Curtis
c82dc55485
cosmetics
2016-12-22 22:11:19 +00:00
Ian Curtis
72dd0dbf98
only need to cull against 4 clipping planes
2016-12-22 22:09:13 +00:00
Ian Curtis
20a9514aa2
For scroll fog set the viewport to the entire area, allows fog to work in widescreen mode
2016-12-15 19:27:08 +00:00
Ian Curtis
ca7046729e
properly cache un-normalised texture coordinates, fixes a texturing regression in Daytona
2016-12-15 12:10:52 +00:00
Ian Curtis
f355e2d062
fix microtexture colours
2016-12-15 00:45:32 +00:00
Ian Curtis
89e75a9803
Only check scroll fog value from the first viewport from each priority layer. Seems to fix problems with background fogging.
2016-12-14 19:57:05 +00:00
Ian Curtis
707e945db9
delete unused files
2016-12-09 14:15:11 +00:00
Ian Curtis
2c23268d88
Support microtexture relative scale. The exact scaling values are not known, but a 2x difference between each level seems highly likely. We know from visual inspection from scud that the first level is exactly 4. The SDK has a function that accepts a float input for scale and does this. lod = (1/scale) + 0.5. If lod>3 lod = 3. So this is our best guess.
2016-12-09 14:13:46 +00:00
Ian Curtis
da8b63b44b
The model3 shares vertices between polygons. But it also seems to do this for polygons with different textures. This means the texture coordinate for potentially different sizes textures is shared. Currently this was broken leading to some corrupted looking textures. The fix is to simply cache the old texture coordinates, and recalculate the normalised coordinates in the new texture coordinate space.
2016-12-06 14:39:46 +00:00
Ian Curtis
10a5d2c0e1
refactor
2016-12-06 12:25:34 +00:00
Ian Curtis
eece2d75b4
tweak scroll fog logic
2016-12-04 22:37:49 +00:00
Ian Curtis
adbebb0204
clean up
2016-12-04 22:37:22 +00:00
Ian Curtis
a310e8e5cf
minor optimisations
2016-11-28 17:32:25 +00:00
Ian Curtis
abc8c24b69
Only check the geometry for culling with valid node distances. We will need this later.
2016-11-27 19:30:46 +00:00
Ian Curtis
fe60d115d2
Revert changes .. if we clip against the real3d clipping planes, our wide screen hack won't work anymore.
2016-11-26 01:19:51 +00:00
Ian Curtis
665fa90425
Get clipping planes directly from the viewport data. Also no need to clip against a far plane
2016-11-26 01:12:08 +00:00
Ian Curtis
54c405709f
Need to walk back in memory and check the previous texture tiles to see if they overlap with the current textures being invalidated. If they overlap they must be cleared too. Algorithm is a bit brute forcy and more expensive than I'd like but it fixes the bad textures in Spikeout.
2016-11-22 20:30:10 +00:00
Ian Curtis
84ae8f035c
Skip processing the mipmap section of memory. The real3d doesn't create mipmaps down to 1x1 that is needed to do mipmapping properly on modern hardware anyway.
2016-11-21 09:04:56 +00:00
Ian Curtis
2ddc8a30e0
Clear queued texture uploads after processing them. Saves re-uploading the same textures whilst paused
2016-11-20 17:02:59 +00:00
Ian Curtis
10dd530cde
More accurate 2D colours. White should map to 255 not 248
2016-11-15 12:44:47 +00:00
Ian Curtis
483ba2f398
Fix the shading in scud. When lighting is disabled the fixed shading intensities appear to be offset values added to the colour value.
2016-11-11 17:50:27 +00:00
Ian Curtis
0a7c0d0864
change throttle logic for smoother playback, we could get closer to 60fps if SDL timers weren't so lame
2016-10-21 00:04:12 +00:00
Ian Curtis
2f49012786
change scroll fog logic to parse the lower priority viewports first
2016-10-09 18:10:57 +00:00
Ian Curtis
f0a15febd1
implement scroll fog, fixes a tonne of missing fx
2016-10-09 16:34:12 +00:00
Ian Curtis
ef11990d19
Parse out scrollfog value used for blending over the 2d background.
2016-10-08 15:41:16 +00:00
Ian Curtis
33e795de9b
Fix scenes with missing fog in ocean hunter. The game was passing negative fog densities. The sign seems to be ignored by the model 3.
2016-10-08 15:15:25 +00:00
Ian Curtis
9eeb81ac69
same fix for legacy engine
2016-10-08 12:10:47 +00:00
Ian Curtis
33cf6c89d1
our scratch mem must match correct max texture size
2016-10-08 11:59:25 +00:00
Ian Curtis
c472d90fb9
Fix the sky in advanced stage in Dirt Devils. It uses a massive (for 1998 :p) 1024x256 texture.
2016-10-06 20:10:45 +00:00
Ian Curtis
c3581c9fe8
Support multiple microTextures, fixes crazy texturing in sega ski champ. I'm assuming microtextures are always located on the other memory bank to the base texture. This logic seems to work for all our games anyway.
2016-10-06 01:37:29 +00:00
Bart Trzynadlowski
e21ea93319
Added RGBA4 format to BMP file writer
2016-09-07 01:25:27 +00:00
Bart Trzynadlowski
3df3610361
Made parsing of hex values more robust
2016-08-25 04:54:08 +00:00
Bart Trzynadlowski
23435ae4fe
Initial check in of Games.xml (only two games defined so far)
2016-08-25 04:53:38 +00:00
Bart Trzynadlowski
458684eb22
Fixed new 3D engine's fragment shader to work on some older GPUs by reducing the number of discard statements to one
2016-08-24 22:21:18 +00:00
Bart Trzynadlowski
4b184b05dc
Updated game loader to make use of latest changes to config tree: generic value types and eliminated pointers
2016-08-24 04:13:23 +00:00
Bart Trzynadlowski
c2f80cef6b
Support for hex numbers in string to integer conversions (with '0x' prefix) and special keywords in string to bool conversions (true/false/on/off/yes/no)
2016-08-24 04:11:52 +00:00
Bart Trzynadlowski
f08ad1584f
Added Util::Stricmp() and small tweak to serialization of Util::Format
2016-08-24 04:10:20 +00:00
Bart Trzynadlowski
2efe18b525
Added support for multiple value types in config nodes.
...
Removed Ptr_t and ConstPtr_t from public interface, moved config tree builders into their own file, and made them pass by reference and value.
Exceptions can be thrown now on lookup failures.
Removed s_empty_node -- failed lookups in [] operator create a permanent "hidden" child.
Updated comment in NewConfig.cpp.
2016-08-21 22:22:45 +00:00
Bart Trzynadlowski
01a6ad1596
Added copy constructor and assignment operator using C++11 move semantics
2016-08-19 00:01:45 +00:00
Bart Trzynadlowski
a9816467d8
Defined inputs
2016-08-18 04:19:36 +00:00
Bart Trzynadlowski
fbeeb3c922
Support for deep copies via assignment operator. This will pave the way for elimination of Ptr_t and ConstPtr_t.
2016-08-18 04:14:36 +00:00
Bart Trzynadlowski
5652aab91f
Added Write() method to write buffer to an ostream, and added an ostream operator overload
2016-08-18 04:13:50 +00:00
Bart Trzynadlowski
1dc360a8b0
Changes to game loader interface, added 32-bit word swapping utility function
2016-08-11 03:53:19 +00:00
