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Add quick support for isolevel in VoxelProviderImage

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This commit is contained in:
Marc Gilleron 2019-04-25 00:54:14 +01:00
parent b3dd85bd36
commit fdb40ef3f4
2 changed files with 20 additions and 11 deletions
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29
voxel_provider_image.cpp
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@ -1,6 +1,7 @@
#include "voxel_provider_image.h" #include "voxel_provider_image.h"
VoxelProviderImage::VoxelProviderImage(): _channel(0) { VoxelProviderImage::VoxelProviderImage() :
_channel(0) {
} }
void VoxelProviderImage::set_image(Ref<Image> im) { void VoxelProviderImage::set_image(Ref<Image> im) {
@ -11,7 +12,7 @@ Ref<Image> VoxelProviderImage::get_image() const {
return _image; return _image;
} }
void VoxelProviderImage::set_channel(int channel) { void VoxelProviderImage::set_channel(VoxelBuffer::ChannelId channel) {
_channel = channel; _channel = channel;
} }
@ -46,13 +47,23 @@ void VoxelProviderImage::emerge_block(Ref<VoxelBuffer> p_out_buffer, Vector3i or
while (x < bs) { while (x < bs) {
Color c = image.get_pixel((ox + x) & im_wm, (oz + z) & im_hm); Color c = image.get_pixel((ox + x) & im_wm, (oz + z) & im_hm);
int h = int(c.r * 200.0) - 50; float h = c.r * 200.0 - 50;
h -= oy;
if (h > 0) { if (_channel == VoxelBuffer::CHANNEL_ISOLEVEL) {
if (h > bs) {
h = bs; for (int y = 0; y < bs; ++y) {
out_buffer.set_voxel_iso((oy + y) - h, x, y, z, _channel);
}
} else {
h -= oy;
int ih = int(h);
if (ih > 0) {
if (ih > bs) {
ih = bs;
}
out_buffer.fill_area(dirt, Vector3(x, 0, z), Vector3(x + 1, ih, z + 1), _channel);
} }
out_buffer.fill_area(dirt, Vector3(x, 0, z), Vector3(x + 1, h, z + 1), _channel);
} }
x += 1; x += 1;
@ -75,5 +86,3 @@ void VoxelProviderImage::_bind_methods() {
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "image", PROPERTY_HINT_RESOURCE_TYPE, "Image"), "set_image", "get_image"); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "image", PROPERTY_HINT_RESOURCE_TYPE, "Image"), "set_image", "get_image");
ADD_PROPERTY(PropertyInfo(Variant::INT, "channel"), "set_channel", "get_channel"); ADD_PROPERTY(PropertyInfo(Variant::INT, "channel"), "set_channel", "get_channel");
} }

2
voxel_provider_image.h
View File

@ -14,7 +14,7 @@ public:
void set_image(Ref<Image> im); void set_image(Ref<Image> im);
Ref<Image> get_image() const; Ref<Image> get_image() const;
void set_channel(int channel); void set_channel(VoxelBuffer::ChannelId channel);
int get_channel() const; int get_channel() const;
void emerge_block(Ref<VoxelBuffer> p_out_buffer, Vector3i origin_in_voxels); void emerge_block(Ref<VoxelBuffer> p_out_buffer, Vector3i origin_in_voxels);