mirror of https://github.com/bjornbytes/lovr.git
parent
75e8df58df
commit
4021d4e893
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@ -437,7 +437,7 @@ src += config.modules.thread and 'src/lib/tinycthread/*.c' or nil
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-- embed resource files with xxd
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res = { 'etc/*.lua', 'etc/*.ttf', 'etc/shaders/*.glsl' }
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res = { 'etc/boot.lua', 'etc/*.ttf', 'etc/shaders/*.glsl' }
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tup.foreach_rule(res, '^ XD %b^ xxd -i %f > %o', '%f.h')
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for i, pattern in ipairs(res) do
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@ -0,0 +1,53 @@
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-- Usage: lovr etc/monkeycrush.lua > etc/monkey.h
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local etc = lovr.filesystem.getSource()
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local success, model = assert(pcall(lovr.data.newModelData, 'monkey.glb'))
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local min, max = lovr.math.newVec3(math.huge), lovr.math.newVec3(-math.huge)
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for i = 1, model:getMeshVertexCount(1) do
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local x, y, z, nx, ny, nz = model:getMeshVertex(1, i)
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min.x, min.y, min.z = math.min(x, min.x), math.min(y, min.y), math.min(z, min.z)
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max.x, max.y, max.z = math.max(x, max.x), math.max(y, max.y), math.max(z, max.z)
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end
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local size = lovr.math.newVec3(max - min)
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local scale = .5
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min:mul(scale)
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max:mul(scale)
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size:mul(scale)
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io.write(('float monkey_size[3] = { %ff, %ff, %ff };\n'):format(size:unpack()))
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io.write(('float monkey_offset[3] = { %ff, %ff, %ff };\n'):format(min:unpack()))
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io.write('\n')
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io.write('uint8_t monkey_vertices[] = {\n')
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for i = 1, model:getMeshVertexCount(1) do
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local x, y, z, nx, ny, nz = model:getMeshVertex(1, i)
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local position = vec3(x, y, z):mul(scale)
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local normal = vec3(nx, ny, nz)
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local qx, qy, qz = ((position - min) / size * 255 + .5):unpack()
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local qnx, qny, qnz = ((normal / 2 + .5) * 255 + .5):unpack()
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qx, qy, qz = math.floor(qx), math.floor(qy), math.floor(qz)
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qnx, qny, qnz = math.floor(qnx), math.floor(qny), math.floor(qnz)
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io.write((' %d, %d, %d, %d, %d, %d,\n'):format(qx, qy, qz, qnx, qny, qnz))
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lovr.math.drain()
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end
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io.write('};\n\n')
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io.write('uint16_t monkey_indices[] = {\n ')
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for i = 1, model:getMeshIndexCount(1) do
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local index = model:getMeshIndex(1, i)
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io.write((' %d,'):format(index))
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if i % 10 == 0 then
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io.write('\n ')
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end
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end
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io.write('\n};\n')
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lovr.event.quit()
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@ -336,9 +336,20 @@ static int l_lovrModelDataGetMeshVertex(lua_State* L) {
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ModelAttribute* attribute = mesh->attributes[i];
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if (!attribute) continue;
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uint32_t stride = model->buffers[attribute->buffer].stride;
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if (!stride) {
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switch (attribute->type) {
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case I8: case U8: stride = attribute->components * 1; break;
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case I16: case U16: stride = attribute->components * 2; break;
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case I32: case U32: case F32: stride = attribute->components * 4; break;
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default: break;
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}
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}
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AttributeData data = { .raw = model->buffers[attribute->buffer].data };
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data.u8 += attribute->offset;
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data.u8 += vertex * model->buffers[attribute->buffer].stride;
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data.u8 += vertex * stride;
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for (uint32_t j = 0; j < attribute->components; j++) {
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switch (attribute->type) {
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@ -573,6 +573,14 @@ static int l_lovrPassFill(lua_State* L) {
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return 0;
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}
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static int l_lovrPassMonkey(lua_State* L) {
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Pass* pass = luax_checktype(L, 1, Pass);
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float transform[16];
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luax_readmat4(L, 2, transform, 1);
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lovrPassMonkey(pass, transform);
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return 0;
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}
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static int l_lovrPassMesh(lua_State* L) {
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Pass* pass = luax_checktype(L, 1, Pass);
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Buffer* vertices = !lua_toboolean(L, 2) ? NULL : luax_totype(L, 2, Buffer);
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@ -825,6 +833,7 @@ const luaL_Reg lovrPass[] = {
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{ "cylinder", l_lovrPassCylinder },
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{ "text", l_lovrPassText },
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{ "fill", l_lovrPassFill },
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{ "monkey", l_lovrPassMonkey },
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{ "mesh", l_lovrPassMesh },
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{ "multimesh", l_lovrPassMultimesh },
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@ -9,6 +9,7 @@
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#include "core/spv.h"
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#include "core/os.h"
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#include "util.h"
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#include "monkey.h"
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#include "shaders.h"
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#include <math.h>
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#include <stdlib.h>
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@ -3496,6 +3497,32 @@ void lovrPassFill(Pass* pass, Texture* texture) {
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});
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}
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void lovrPassMonkey(Pass* pass, float* transform) {
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uint32_t vertexCount = COUNTOF(monkey_vertices) / 6;
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ShapeVertex* vertices;
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lovrPassDraw(pass, &(Draw) {
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.mode = VERTEX_TRIANGLES,
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.vertex.count = vertexCount,
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.vertex.pointer = (void**) &vertices,
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.index.count = COUNTOF(monkey_indices),
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.index.data = monkey_indices,
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.transform = transform
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});
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// Manual vertex format conversion to avoid another format (and sn8x3 isn't always supported)
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for (uint32_t i = 0; i < vertexCount; i++) {
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vertices[i] = (ShapeVertex) {
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.position.x = monkey_vertices[6 * i + 0] / 255.f * monkey_size[0] + monkey_offset[0],
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.position.y = monkey_vertices[6 * i + 1] / 255.f * monkey_size[1] + monkey_offset[1],
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.position.z = monkey_vertices[6 * i + 2] / 255.f * monkey_size[2] + monkey_offset[2],
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.normal.x = monkey_vertices[6 * i + 3] / 255.f * 2.f - 1.f,
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.normal.y = monkey_vertices[6 * i + 4] / 255.f * 2.f - 1.f,
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.normal.z = monkey_vertices[6 * i + 5] / 255.f * 2.f - 1.f,
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};
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}
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}
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void lovrPassMesh(Pass* pass, Buffer* vertices, Buffer* indices, float* transform, uint32_t start, uint32_t count, uint32_t instances) {
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if (count == ~0u) {
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count = (indices ? indices : vertices)->info.length - start;
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@ -484,6 +484,7 @@ void lovrPassCylinder(Pass* pass, float* transform, bool capped, float angle1, f
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void lovrPassTorus(Pass* pass, float* transform, uint32_t segmentsT, uint32_t segmentsP);
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void lovrPassText(Pass* pass, Font* font, const char* text, uint32_t length, float* transform, float wrap, HorizontalAlign halign, VerticalAlign valign);
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void lovrPassFill(Pass* pass, Texture* texture);
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void lovrPassMonkey(Pass* pass, float* transform);
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void lovrPassMesh(Pass* pass, Buffer* vertices, Buffer* indices, float* transform, uint32_t start, uint32_t count, uint32_t instances);
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void lovrPassMultimesh(Pass* pass, Buffer* vertices, Buffer* indices, Buffer* indirect, uint32_t count, uint32_t offset, uint32_t stride);
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void lovrPassCompute(Pass* pass, uint32_t x, uint32_t y, uint32_t z, Buffer* indirect, uint32_t offset);
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